योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-50, verse-16

अहंभावादहंकारो मननान्मन उच्यते ।
बोधनिश्चयतो बुद्धिरिन्द्रदृष्टेस्तथेन्द्रियम् ॥ १६ ॥

ahaṃbhāvādahaṃkāro mananānmana ucyate ,
bodhaniścayato buddhirindradṛṣṭestathendriyam 16

16. ahaṃbhāvāt ahaṅkāraḥ mananāt manaḥ ucyate
bodhaniścayataḥ buddhiḥ indradṛṣṭeḥ tathā indriyam

16. ahaṃbhāvāt ahaṅkāraḥ ucyate.
mananāt manaḥ ucyate.
bodhaniścayataḥ buddhiḥ ucyate.
tathā indradṛṣṭeḥ indriyam ucyate.

16. From the 'I'-sense (ahaṃ-bhāva), the ego (ahaṅkāra) arises; from the act of thinking, it is called the mind (manas). From the determination of understanding, it is the intellect (buddhi); and similarly, from the perception by the senses, it is the sense organ (indriya).

Words meanings summery:

• अहंभावात् (ahaṁbhāvāt) - The origin point for the manifestation of the ego. (from the sense of 'I', from the notion of ego (ahaṃ-bhāva))

• अहङ्कारः (ahaṅkāraḥ) - The faculty of individuality, identifying oneself as a separate entity. (ego, egoism, self-sense (ahaṅkāra))

• मननात् (mananāt) - The process of mental deliberation that gives rise to the mind. (from thinking, from reflection, from considering)

• मनः (manaḥ) - The faculty of thought, emotion, and will. (mind, intellect, thought (manas))

• उच्यते (ucyate) - The linguistic designation for these faculties based on their functions. (is called, is said, is designated)

• बोधनिश्चयतः (bodhaniścayataḥ) - The process of firm decision-making and clear understanding that leads to the intellect. (from ascertainment of knowledge, from determination of understanding)

• बुद्धिः (buddhiḥ) - The faculty of decision-making and discrimination. (intellect, reason, understanding (buddhi))

• इन्द्रदृष्टेः (indradṛṣṭeḥ) - The process of senses perceiving objects, giving rise to the sense organs themselves. (from the perception of the senses, from sense-perception)

• तथा (tathā) - Connects the idea of sense organs arising to the previous descriptions of ego, mind, and intellect. (thus, so, similarly, likewise)

• इन्द्रियम् (indriyam) - The physical or subtle organs through which perception occurs. (sense organ, faculty of sense (indriya))

Words meanings and morphology

अहंभावात् (ahaṁbhāvāt) - The origin point for the manifestation of the ego. (from the sense of 'I', from the notion of ego (ahaṃ-bhāva))

(noun)

Ablative, masculine, singular of ahaṃbhāva

ahaṁbhāva - sense of 'I', ego-sense, conceit (ahaṃ-bhāva)

Compound type : tatpuruṣa (aham+bhāva)

• aham – I, myself
  pronoun
• bhāva – state, condition, feeling, notion
  noun (masculine)

Note: Indicates the source or cause.

अहङ्कारः (ahaṅkāraḥ) - The faculty of individuality, identifying oneself as a separate entity. (ego, egoism, self-sense (ahaṅkāra))

(noun)

Nominative, masculine, singular of ahaṅkāra

ahaṅkāra - ego, egoism, self-sense, I-maker (ahaṅkāra)

From 'aham' (I) + 'kṛ' (to make).

Compound type : tatpuruṣa (aham+kāra)

• aham – I, myself
  pronoun
• kāra – maker, doer, act of making
  noun (masculine)
  Derived from root kṛ 'to make'.
  Root: kṛ (class 8)

Note: Subject of 'ucyate' (implicitly).

मननात् (mananāt) - The process of mental deliberation that gives rise to the mind. (from thinking, from reflection, from considering)

(noun)

Ablative, neuter, singular of manana

manana - thinking, reflecting, meditation, mental activity

Verbal noun

From root man (to think) + ana suffix.

Root: man (class 4)

Note: Indicates the source or cause.

मनः (manaḥ) - The faculty of thought, emotion, and will. (mind, intellect, thought (manas))

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, thought, consciousness (manas)

Root: man (class 4)

Note: Subject of 'ucyate'.

उच्यते (ucyate) - The linguistic designation for these faculties based on their functions. (is called, is said, is designated)

(verb)

3rd person , singular, passive, present (laṭ) of vac

Present Passive

3rd person singular, present tense, ātmanepada of root vac. Irregular passive stem 'ucyā'.

Root: vac (class 2)

Note: Appears once but implicitly applies to all three designations: ego, mind, intellect, and sense organ.

बोधनिश्चयतः (bodhaniścayataḥ) - The process of firm decision-making and clear understanding that leads to the intellect. (from ascertainment of knowledge, from determination of understanding)

(noun)

Ablative, masculine, singular of bodhaniścaya

bodhaniścaya - ascertainment of knowledge, firm understanding

Compound of 'bodha' (knowledge) and 'niścaya' (determination).

Compound type : tatpuruṣa (bodha+niścaya)

• bodha – knowledge, understanding, perception
  noun (masculine)
  From root budh (to know, understand).
  Root: budh (class 1)
• niścaya – ascertainment, certainty, determination
  noun (masculine)
  From 'nis' (out, certainty) + root 'ci' (to collect, determine).
  Prefix: nis
  Root: ci (class 5)

Note: Indicates the source or cause.

बुद्धिः (buddhiḥ) - The faculty of decision-making and discrimination. (intellect, reason, understanding (buddhi))

(noun)

Nominative, feminine, singular of buddhi

buddhi - intellect, reason, understanding, discernment (buddhi)

From root budh (to know, understand).

Root: budh (class 1)

Note: Subject (implicitly with ucyate).

इन्द्रदृष्टेः (indradṛṣṭeḥ) - The process of senses perceiving objects, giving rise to the sense organs themselves. (from the perception of the senses, from sense-perception)

(noun)

Ablative, feminine, singular of indradṛṣṭi

indradṛṣṭi - perception by the senses

Compound of 'indriya' (sense organ) and 'dṛṣṭi' (sight, perception).

Compound type : tatpuruṣa (indriya+dṛṣṭi)

• indriya – sense organ, faculty of sense (indriya)
  noun (neuter)
• dṛṣṭi – seeing, sight, perception
  noun (feminine)
  Verbal noun
  From root dṛś (to see) + ti suffix.
  Root: dṛś (class 1)

Note: Indicates the source or cause.

तथा (tathā) - Connects the idea of sense organs arising to the previous descriptions of ego, mind, and intellect. (thus, so, similarly, likewise)

(indeclinable)

Note: Adverbial connector.

इन्द्रियम् (indriyam) - The physical or subtle organs through which perception occurs. (sense organ, faculty of sense (indriya))

(noun)

Nominative, neuter, singular of indriya

indriya - sense organ, faculty of sense (e.g. eye, ear, nose, tongue, skin; speech, grasping, locomotion, excretion, procreation) (indriya)

Note: Subject (implicitly with ucyate).