महाभारतः mahābhārataḥ - book-12, chapter-124, verse-31

ब्राह्मणोऽपि यथान्यायं गुरुवृत्तिमनुत्तमाम् ।
चकार सर्वभावेन यद्वत्स मनसेच्छति ॥३१॥

31. brāhmaṇo'pi yathānyāyaṁ guruvṛttimanuttamām ,
cakāra sarvabhāvena yadvatsa manasecchati.

31. brāhmaṇaḥ api yathānyāyam guruvṛttim anuttamām
cakāra sarvabhāvena yat vatsa manasā icchati

31. vatsa brāhmaṇaḥ api yathānyāyam anuttamām
guruvṛttim sarvabhāvena cakāra yat manasā icchati

31. O son, the Brahmin, for his part, also performed his excellent and unsurpassed duty (vṛtti) towards his teacher (guru) in accordance with the rules, with all his heart, just as one would wish.

Words meanings summery:

• ब्राह्मणः (brāhmaṇaḥ) - Brahmin, member of the priestly class

• अपि (api) - also, even, moreover

• यथान्यायम् (yathānyāyam) - according to justice, properly, rightfully, according to rule

• गुरुवृत्तिम् (guruvṛttim) - conduct towards the teacher, duty to the teacher (guru)

• अनुत्तमाम् (anuttamām) - unsurpassed, excellent, supreme

• चकार (cakāra) - did, performed, made

• सर्वभावेन (sarvabhāvena) - with all one's being, whole-heartedly, entirely

• यत् (yat) - which, as, because, that

• वत्स (vatsa) - O child, O son, O dear one

• मनसा (manasā) - by the mind, with the mind, mentally

• इच्छति (icchati) - desires, wishes, seeks

Words meanings and morphology

ब्राह्मणः (brāhmaṇaḥ) - Brahmin, member of the priestly class

(noun)

Nominative, masculine, singular of brāhmaṇa

brāhmaṇa - a Brahmin, a member of the priestly class; related to Brahman

अपि (api) - also, even, moreover

(indeclinable)

यथान्यायम् (yathānyāyam) - according to justice, properly, rightfully, according to rule

(indeclinable)

Compound type : avyayībhāva (yathā+nyāya)

• yathā – as, like, according to, in which manner
  indeclinable
• nyāya – justice, rule, method, logic, correctness
  noun (masculine)

गुरुवृत्तिम् (guruvṛttim) - conduct towards the teacher, duty to the teacher (guru)

(noun)

Accusative, feminine, singular of guruvṛtti

guruvṛtti - the conduct or duty towards a spiritual teacher (guru)

Compound type : tatpuruṣa (guru+vṛtti)

• guru – teacher, spiritual guide (guru), heavy, venerable
  noun (masculine)
• vṛtti – conduct, course of action, livelihood, function, mode of being
  noun (feminine)

अनुत्तमाम् (anuttamām) - unsurpassed, excellent, supreme

(adjective)

Accusative, feminine, singular of anuttama

anuttama - unsurpassed, peerless, highest, best

Compound type : nañ-tatpuruṣa (an+uttama)

• an – not, non-, un-
  prefix
• uttama – highest, best, principal, excellent
  adjective

Note: Agrees with 'guruvṛttim'

चकार (cakāra) - did, performed, made

(verb)

3rd person , singular, active, perfect (liṭ) of kṛ

Root: kṛ (class 8)

सर्वभावेन (sarvabhāvena) - with all one's being, whole-heartedly, entirely

(noun)

Instrumental, masculine, singular of sarvabhāva

sarvabhāva - all one's nature, entire being, wholeheartedness

Compound type : tatpuruṣa (sarva+bhāva)

• sarva – all, every, whole, complete
  pronoun/adjective
• bhāva – state of being, feeling, sentiment, existence, nature
  noun (masculine)

यत् (yat) - which, as, because, that

(relative pronoun)

Note: Here used adverbially, meaning 'as' or 'just as'.

वत्स (vatsa) - O child, O son, O dear one

(noun)

Vocative, masculine, singular of vatsa

vatsa - calf, child, son, dear one (term of endearment)

मनसा (manasā) - by the mind, with the mind, mentally

(noun)

Instrumental, neuter, singular of manas

manas - mind, intellect, thought, heart

इच्छति (icchati) - desires, wishes, seeks

(verb)

3rd person , singular, active, present (laṭ) of iṣ

Root: iṣ (class 6)