योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-90, verse-9

दुःखमूलमवष्टब्धमस्मिन्नेव विनिश्चलम् ।
विद्यमानं मनो विद्धि दुःखवृक्षवनाङ्कुरम् ॥ ९ ॥

duḥkhamūlamavaṣṭabdhamasminneva viniścalam ,
vidyamānaṃ mano viddhi duḥkhavṛkṣavanāṅkuram 9

9. duḥkhamūlam avaṣṭabdham asmin eva viniścalam
vidyamānam manaḥ viddhi duḥkhavṛkṣavanāṅkuram

9. asmin eva vidyamānam manaḥ duḥkhamūlam avaṣṭabdham
viniścalam viddhi duḥkhavṛkṣavanāṅkuram

9. Know that this existing mind (manas) is the very root of suffering (duḥkha), firmly established and absolutely unshakeable; indeed, it is the sprout for the forest of the tree of suffering (duḥkha).

Words meanings summery:

• दुःखमूलम् (duḥkhamūlam) - root of suffering, source of misery

• अवष्टब्धम् (avaṣṭabdham) - firmly established, fixed (propped, supported, blocked, firm, established)

• अस्मिन् (asmin) - in this, here

• एव (eva) - indeed, only, very, just

• विनिश्चलम् (viniścalam) - absolutely motionless, completely firm, unshakeable, unwavering

• विद्यमानम् (vidyamānam) - existing, being present, abiding

• मनः (manaḥ) - mind, intellect, heart, consciousness

• विद्धि (viddhi) - know, understand, regard as

• दुःखवृक्षवनाङ्कुरम् (duḥkhavṛkṣavanāṅkuram) - the sprout of the forest of the tree of suffering

Words meanings and morphology

दुःखमूलम् (duḥkhamūlam) - root of suffering, source of misery

(noun)

Accusative, neuter, singular of duḥkhamūla

duḥkhamūla - root of suffering, source of misery

Compound of 'duḥkha' and 'mūla'.

Compound type : tatpuruṣa (duḥkha+mūla)

• duḥkha – suffering, pain, misery, sorrow
  noun (neuter)
• mūla – root, origin, basis, foundation
  noun (neuter)

अवष्टब्धम् (avaṣṭabdham) - firmly established, fixed (propped, supported, blocked, firm, established)

(adjective)

Accusative, neuter, singular of avaṣṭabdha

avaṣṭabdha - propped, supported, blocked, firm, established

Past Passive Participle

Derived from the root √stambh (to prop, support, make firm) with upasarga 'ava-'.

Prefix: ava

Root: stambh (class 1)

अस्मिन् (asmin) - in this, here

(pronoun)

Locative, neuter, singular of idam

idam - this, this one

एव (eva) - indeed, only, very, just

(indeclinable)

विनिश्चलम् (viniścalam) - absolutely motionless, completely firm, unshakeable, unwavering

(adjective)

Accusative, neuter, singular of viniścala

viniścala - absolutely motionless, completely firm, unshakeable, unwavering

Compound of the intensifying prefix 'vi-' and the adjective 'niścala'.

Compound type : karmadhāraya (vi+niścala)

• vi – apart, asunder, away, without, intensifier
  indeclinable
• niścala – motionless, steady, unmoving, firm
  adjective
  Compound of the negative prefix 'nis-' and 'cala' (moving).

विद्यमानम् (vidyamānam) - existing, being present, abiding

(adjective)

Accusative, neuter, singular of vidyamāna

vidyamāna - existing, being present, abiding

Present Active Participle

Derived from the root √vid (to be, exist) with the present participle suffix -māna.

Root: vid (class 2)

मनः (manaḥ) - mind, intellect, heart, consciousness

(noun)

Accusative, neuter, singular of manas

manas - mind, intellect, heart, consciousness

विद्धि (viddhi) - know, understand, regard as

(verb)

2nd person , singular, active, imperative (loṭ) of √vid

Imperative 2nd Person Singular

Irregular imperative form from the root √vid (class 2).

Root: vid (class 2)

दुःखवृक्षवनाङ्कुरम् (duḥkhavṛkṣavanāṅkuram) - the sprout of the forest of the tree of suffering

(noun)

Accusative, masculine, singular of duḥkhavṛkṣavanāṅkura

duḥkhavṛkṣavanāṅkura - the sprout of the forest of the tree of suffering

Complex Tatpuruṣa compound: aṅkura of (vana of (vṛkṣa of duḥkha)).

Compound type : tatpuruṣa (duḥkhavṛkṣavana+aṅkura)

• duḥkhavṛkṣavana – forest of the tree of suffering
  noun (neuter)
  Tatpuruṣa compound: vana of (vṛkṣa of duḥkha).
• aṅkura – sprout, shoot, germ, bud
  noun (masculine)