योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-9, verse-37

पूर्वे चेद्धनतां याता नाभ्यासात्तव वासना ।
वर्धिष्यते तु नेदानीमपि तात सुखी भव ॥ ३७ ॥

pūrve ceddhanatāṃ yātā nābhyāsāttava vāsanā ,
vardhiṣyate tu nedānīmapi tāta sukhī bhava 37

37. pūrve cet ghanatām yātā na abhyāsāt tava vāsanā
vardhiṣyate tu na idānīm api tāta sukhī bhava

37. tāta pūrve cet tava vāsanā abhyāsāt na ghanatām yātā
(tarhi) idānīm api tu na vardhiṣyate (ataḥ) sukhī bhava

37. O my dear one (tāta), if your latent mental tendencies (vāsanā) have already become strong in the past, without the influence of practice (abhyāsa), then they will certainly not increase now. Be happy even now.

Words meanings summery:

• पूर्वे (pūrve) - in the former, in the past

• चेत् (cet) - if

• घनताम् (ghanatām) - strength (density, solidity, strength)

• याता (yātā) - become (gone, reached, become)

• न (na) - not, no

• अभ्यासात् (abhyāsāt) - from practice, due to practice

• तव (tava) - your, of you

• वासना (vāsanā) - impression, predisposition, latent tendency

• वर्धिष्यते (vardhiṣyate) - will increase, will grow

• तु (tu) - but, on the other hand, indeed

• न (na) - not, no

• इदानीम् (idānīm) - now, at this time

• अपि (api) - even, also, too, moreover

• तात (tāta) - O dear one (father, dear one)

• सुखी (sukhī) - happy, joyful, comfortable

• भव (bhava) - be, become

Words meanings and morphology

पूर्वे (pūrve) - in the former, in the past

(adjective)

Locative, feminine, singular of pūrva

pūrva - former, previous, prior, ancient

चेत् (cet) - if

(indeclinable)

घनताम् (ghanatām) - strength (density, solidity, strength)

(noun)

Accusative, feminine, singular of ghanatā

ghanatā - density, solidity, thickness, firmness, strength

From ghana + tā (suffix for abstract noun)

याता (yātā) - become (gone, reached, become)

(adjective)

Nominative, feminine, singular of yāta

yāta - gone, moved, reached, attained, become

Past Passive Participle

From root yā

Root: yā (class 2)

न (na) - not, no

(indeclinable)

अभ्यासात् (abhyāsāt) - from practice, due to practice

(noun)

Ablative, masculine, singular of abhyāsa

abhyāsa - practice, repetition, study, exercise

From abhi + as (to throw, to cast)

Prefix: abhi

Root: as (class 4)

तव (tava) - your, of you

(pronoun)

Genitive, singular of tvad

tvad - you

वासना (vāsanā) - impression, predisposition, latent tendency

(noun)

Nominative, feminine, singular of vāsanā

vāsanā - impression, mental trace, latent tendency, predisposition

From root vās (to dwell, to perfume) + anā suffix

Root: vās (class 1)

वर्धिष्यते (vardhiṣyate) - will increase, will grow

(verb)

3rd person , singular, middle, future (lṛṭ) of vṛdh

Root: vṛdh (class 1)

तु (tu) - but, on the other hand, indeed

(indeclinable)

न (na) - not, no

(indeclinable)

इदानीम् (idānīm) - now, at this time

(indeclinable)

अपि (api) - even, also, too, moreover

(indeclinable)

तात (tāta) - O dear one (father, dear one)

(noun)

Vocative, masculine, singular of tāta

tāta - father; term of endearment for son, friend, or pupil; dear one

सुखी (sukhī) - happy, joyful, comfortable

(adjective)

Nominative, masculine, singular of sukhin

sukhin - happy, joyful, comfortable, possessing happiness

From sukha + in (possessive suffix)

भव (bhava) - be, become

(verb)

2nd person , singular, active, imperative (loṭ) of bhū

Root: bhū (class 1)