महाभारतः mahābhārataḥ - book-13, chapter-40, verse-20

स कदाचिदृषिस्तात यज्ञं कर्तुमनास्तदा ।
भार्यासंरक्षणं कार्यं कथं स्यादित्यचिन्तयत् ॥२०॥

20. sa kadācidṛṣistāta yajñaṁ kartumanāstadā ,
bhāryāsaṁrakṣaṇaṁ kāryaṁ kathaṁ syādityacintayat.

20. saḥ kadācit ṛṣiḥ tāta yajñaṃ kartum anāḥ tadā
bhāryāsaṃrakṣaṇaṃ kāryaṃ kathaṃ syāt iti acintayat

20. tāta saḥ ṛṣiḥ kadācit yajñaṃ kartum anāḥ tadā
"bhāryāsaṃrakṣaṇaṃ kāryaṃ kathaṃ syāt" iti acintayat

20. Dear son, that sage, once desiring to perform a (yajña) Vedic ritual, then pondered: "How will the task of protecting my wife be accomplished?"

Words meanings summery:

• सः (saḥ) - he

• कदाचित् (kadācit) - once, sometimes, at some time

• ऋषिः (ṛṣiḥ) - sage, seer

• तात (tāta) - dear son (vocative)

• यज्ञं (yajñaṁ) - (yajña) Vedic ritual

• कर्तुम् (kartum) - to do, to make, to perform

• अनाः (anāḥ) - desirous of, intending to, having the mind on

• तदा (tadā) - then, at that time

• भार्यासंरक्षणं (bhāryāsaṁrakṣaṇaṁ) - protection of wife

• कार्यं (kāryaṁ) - task, duty, to be done

• कथं (kathaṁ) - how, in what way

• स्यात् (syāt) - might be, would be, should be

• इति (iti) - thus, so (quotation marker)

• अचिन्तयत् (acintayat) - he thought, pondered

Words meanings and morphology

सः (saḥ) - he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, it

कदाचित् (kadācit) - once, sometimes, at some time

(indeclinable)

ऋषिः (ṛṣiḥ) - sage, seer

(noun)

Nominative, masculine, singular of ṛṣi

ṛṣi - sage, seer, inspired poet

from ṛṣ (to go, move)

Root: ṛṣ (class 4)

तात (tāta) - dear son (vocative)

(noun)

Vocative, masculine, singular of tāta

tāta - father, dear one, son (term of endearment)

यज्ञं (yajñaṁ) - (yajña) Vedic ritual

(noun)

Accusative, masculine, singular of yajña

yajña - worship, (yajña) Vedic ritual, offering

from yaj (to worship, sacrifice)

Root: yaj (class 1)

कर्तुम् (kartum) - to do, to make, to perform

(verb)

active, infinitive (tumun) of kṛ

infinitive

infinitive of purpose (tumun affix)

Root: kṛ (class 8)

अनाः (anāḥ) - desirous of, intending to, having the mind on

(noun)

Nominative, masculine, singular of manas

manas - mind, intellect, intention, spirit

Root: man (class 4)

तदा (tadā) - then, at that time

(indeclinable)

भार्यासंरक्षणं (bhāryāsaṁrakṣaṇaṁ) - protection of wife

(noun)

Accusative, neuter, singular of bhāryāsaṃrakṣaṇa

bhāryāsaṁrakṣaṇa - protection of wife

Compound type : tatpurusha (bhāryā+saṃrakṣaṇa)

• bhāryā – wife
  noun (feminine)
  Gerundive
  from bhṛ (to bear, support) + ṇyat, feminine form
  Root: bhṛ (class 3)
• saṃrakṣaṇa – complete protection, careful guarding
  noun (neuter)
  from sam + rakṣ (to protect)
  Prefix: sam
  Root: rakṣ (class 1)

कार्यं (kāryaṁ) - task, duty, to be done

(adjective)

Nominative, neuter, singular of kārya

kārya - to be done, fit to be done, duty, task

gerundive

from kṛ (to do) + ṇyat

Root: kṛ (class 8)

कथं (kathaṁ) - how, in what way

(indeclinable)

स्यात् (syāt) - might be, would be, should be

(verb)

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

Root: as (class 2)

इति (iti) - thus, so (quotation marker)

(indeclinable)

अचिन्तयत् (acintayat) - he thought, pondered

(verb)

3rd person , singular, active, imperfect (laṅ) of cint

Root: cint (class 10)