महाभारतः mahābhārataḥ - book-12, chapter-128, verse-17

यथास्य धर्मो न ग्लायेन्नेयाच्छत्रुवशं यथा ।
तत्कर्तव्यमिहेत्याहुर्नात्मानमवसादयेत् ॥१७॥

17. yathāsya dharmo na glāyenneyācchatruvaśaṁ yathā ,
tatkartavyamihetyāhurnātmānamavasādayet.

17. yathā asya dharmaḥ na glāyet na īyāt śatru-vaśam
yathā tat kartavyam iha iti āhuḥ na ātmānam avasādayet

17. iha asya dharmaḥ yathā na glāyet yathā śatru-vaśam
na īyāt tat kartavyam iti āhuḥ ātmānam na avasādayet

17. They say that one should act here in such a way that his natural law (dharma) does not decline, nor does he fall under the enemy's control. He should not ruin himself or his self (ātman).

Words meanings summery:

• यथा (yathā) - as, just as, so that, in order that, according to

• अस्य (asya) - of this, his

• धर्मः (dharmaḥ) - his constitution or natural law (of governance/being) (constitution, natural law, intrinsic nature, duty, righteousness)

• न (na) - not, nor

• ग्लायेत् (glāyet) - may decline, may languish, may become weary

• न (na) - not, nor

• ईयात् (īyāt) - may go, may reach

• शत्रु-वशम् (śatru-vaśam) - control of the enemy, subjugation to the enemy

• यथा (yathā) - so that, in order that, how

• तत् (tat) - that

• कर्तव्यम् (kartavyam) - should be done, ought to be done, duty

• इह (iha) - here, in this world, in this context

• इति (iti) - thus, so

• आहुः (āhuḥ) - they say, they declare

• न (na) - not

• आत्मानम् (ātmānam) - oneself, the self

• अवसादयेत् (avasādayet) - should ruin, should depress, should weaken

Words meanings and morphology

यथा (yathā) - as, just as, so that, in order that, according to

(indeclinable)

अस्य (asya) - of this, his

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

धर्मः (dharmaḥ) - his constitution or natural law (of governance/being) (constitution, natural law, intrinsic nature, duty, righteousness)

(noun)

Nominative, masculine, singular of dharma

dharma - natural law, duty, righteousness, constitution, intrinsic nature

न (na) - not, nor

(indeclinable)

ग्लायेत् (glāyet) - may decline, may languish, may become weary

(verb)

3rd person , singular, active, optative (vidhiliṅ) of glā

Root: glai (class 1)

न (na) - not, nor

(indeclinable)

ईयात् (īyāt) - may go, may reach

(verb)

3rd person , singular, active, optative (vidhiliṅ) of i

Root: i (class 2)

शत्रु-वशम् (śatru-vaśam) - control of the enemy, subjugation to the enemy

(noun)

Accusative, masculine, singular of śatru-vaśa

śatru-vaśa - control of the enemy, enemy's power

Compound type : tatpurusha (śatru+vaśa)

• śatru – enemy, foe
  noun (masculine)
• vaśa – control, power, subjugation
  noun (masculine)

यथा (yathā) - so that, in order that, how

(indeclinable)

तत् (tat) - that

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

कर्तव्यम् (kartavyam) - should be done, ought to be done, duty

(adjective)

Nominative, neuter, singular of kartavya

kartavya - to be done, proper to be done, duty

Gerundive

Derived from root kṛ + tavya suffix

Root: kṛ (class 8)

इह (iha) - here, in this world, in this context

(indeclinable)

इति (iti) - thus, so

(indeclinable)

आहुः (āhuḥ) - they say, they declare

(verb)

3rd person , plural, active, present (liṭ) of ah

Root: ah (class 2)

न (na) - not

(indeclinable)

आत्मानम् (ātmānam) - oneself, the self

(noun)

Accusative, masculine, singular of ātman

ātman - self, soul, spirit, essence

अवसादयेत् (avasādayet) - should ruin, should depress, should weaken

(verb)

3rd person , singular, active, optative (vidhiliṅ) of avasādaya

Causative from root sad with prefixes ava

Prefixes: ava+sa

Root: sad (class 1)