योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-71, verse-54

जीवनाज्जीव इत्युक्तोऽहंभावः स्यात्त्वहंतया ।
बुद्धिर्निश्चायकत्वेन संकल्पकलनान्मनः ॥ ५४ ॥

jīvanājjīva ityukto'haṃbhāvaḥ syāttvahaṃtayā ,
buddhirniścāyakatvena saṃkalpakalanānmanaḥ 54

54. jīvanāt jīvaḥ iti uktaḥ ahaṃbhāvaḥ syāt tu ahaṃtayā
buddhiḥ niścāyakatvena saṃkalpakalanāt manaḥ

54. jīvanāt jīvaḥ iti uktaḥ tu ahaṃtayā ahaṃbhāvaḥ
syāt buddhiḥ niścāyakatvena manaḥ saṃkalpakalanāt

54. The individual soul is called 'jīva' from the act of living. The sense of 'I' comes into being through egoity. The intellect is characterized by its decisive nature, while the mind arises from the formation of resolutions.

Words meanings summery:

• जीवनात् (jīvanāt) - from living, by means of living

• जीवः (jīvaḥ) - individual soul, living being

• इति (iti) - marks a direct quotation or definition (thus, so, in this manner)

• उक्तः (uktaḥ) - is called (said, called, spoken)

• अहंभावः (ahaṁbhāvaḥ) - ego-sense, sense of 'I', egoism

• स्यात् (syāt) - comes into being, exists (may be, should be, would be, exists)

• तु (tu) - introduces a contrasting or additional idea (but, however, indeed, on the other hand)

• अहंतया (ahaṁtayā) - by egoity, by egoism, by the sense of 'I'

• बुद्धिः (buddhiḥ) - intellect, understanding, reason

• निश्चायकत्वेन (niścāyakatvena) - by means of determination, by its decisive nature

• संकल्पकलनात् (saṁkalpakalanāt) - from the formation of resolutions, from the notion of resolve

• मनः (manaḥ) - mind, intellect, thought

Words meanings and morphology

जीवनात् (jīvanāt) - from living, by means of living

(noun)

Ablative, neuter, singular of jīvana

jīvana - life, living, means of livelihood

from root 'jīv' (to live)

Root: jīv (class 1)

जीवः (jīvaḥ) - individual soul, living being

(noun)

Nominative, masculine, singular of jīva

jīva - living, alive; individual soul, embodied spirit

from root 'jīv' (to live)

Root: jīv (class 1)

इति (iti) - marks a direct quotation or definition (thus, so, in this manner)

(indeclinable)

उक्तः (uktaḥ) - is called (said, called, spoken)

(adjective)

Nominative, masculine, singular of ukta

ukta - said, spoken, declared

Past Passive Participle

Derived from the root 'vac' (to speak)

Root: vac (class 2)

Note: Agrees with 'jīvaḥ'

अहंभावः (ahaṁbhāvaḥ) - ego-sense, sense of 'I', egoism

(noun)

Nominative, masculine, singular of ahaṃbhāva

ahaṁbhāva - ego-sense, sense of 'I', egoism

compound of 'aham' (I) and 'bhāva' (state, existence, feeling)

Compound type : tatpuruṣa (aham+bhāva)

• aham – I
  pronoun
• bhāva – being, state, condition, feeling, notion
  noun (masculine)
  from root 'bhū' (to be)
  Root: bhū (class 1)

स्यात् (syāt) - comes into being, exists (may be, should be, would be, exists)

(verb)

3rd person , singular, active, optative (liṅ) of as

Optative Mood

Root: as (class 2)

तु (tu) - introduces a contrasting or additional idea (but, however, indeed, on the other hand)

(indeclinable)

अहंतया (ahaṁtayā) - by egoity, by egoism, by the sense of 'I'

(noun)

Instrumental, feminine, singular of ahaṃtā

ahaṁtā - egoity, egoism, the state of being 'I'

from 'aham' (I) + suffix 'tā' (state, quality)

बुद्धिः (buddhiḥ) - intellect, understanding, reason

(noun)

Nominative, feminine, singular of buddhi

buddhi - intellect, understanding, perception, reason

from root 'budh' (to know, understand)

Root: budh (class 1)

निश्चायकत्वेन (niścāyakatvena) - by means of determination, by its decisive nature

(noun)

Instrumental, neuter, singular of niścāyakatva

niścāyakatva - the quality of determining, decisiveness

from 'niścāya' (determination) + suffix 'tva' (abstract noun)

Compound type : tatpuruṣa (niścāya+tva)

• niścāya – determination, ascertainment, decision
  noun (masculine)
  from 'nis' + root 'ci' (to collect, observe)
  Prefix: nis
  Root: ci (class 5)
• tva – suffix for abstract nouns, -ness, -hood
  suffix (neuter)

संकल्पकलनात् (saṁkalpakalanāt) - from the formation of resolutions, from the notion of resolve

(noun)

Ablative, feminine, singular of saṃkalpakalanā

saṁkalpakalanā - formation of resolutions, conceptualization of intentions

compound of saṃkalpa and kalanā

Compound type : tatpuruṣa (saṃkalpa+kalanā)

• saṃkalpa – resolution, intention, resolve, will
  noun (masculine)
  from 'sam' + root 'kḷp' (to arrange, resolve)
  Prefix: sam
  Root: kḷp (class 1)
• kalanā – calculation, imagination, conception, formation
  noun (feminine)
  from root 'kal' (to count, compute)
  Root: kal (class 10)

मनः (manaḥ) - mind, intellect, thought

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, understanding, thought, faculty of thought and feeling

from root 'man' (to think)

Root: man (class 4)