योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-44, verse-9

ययौ मासाष्टकं तस्य मग्नस्य सरसोऽम्भसि ।
वासपङ्कजसंकोचमनाग्भग्नमुखच्छवेः ॥ ९ ॥

yayau māsāṣṭakaṃ tasya magnasya saraso'mbhasi ,
vāsapaṅkajasaṃkocamanāgbhagnamukhacchaveḥ 9

9. yayau māsāṣṭakam tasya magnasya sarasaḥ ambhasi
| vāsapaṅkajasaṃkocamanāgbhagnamukhacchaveḥ ||

9. tasya magnasya sarasaḥ ambhasi
vāsapaṅkajasaṃkocamanāgbhagnamukhacchaveḥ māsāṣṭakam yayau

9. Eight months passed for him, who was immersed in the water of the lake. His facial splendor remained undiminished, even as the lotuses (around him) contracted.

Words meanings summery:

• ययौ (yayau) - passed (referring to time) (went, passed, moved)

• मासाष्टकम् (māsāṣṭakam) - the duration of eight months (eight months, a period of eight months)

• तस्य (tasya) - of him (referring to the Brahmin) (of him, to him, for him, that)

• मग्नस्य (magnasya) - of him who was immersed (in water) (of one who is immersed, of one who has plunged)

• सरसः (sarasaḥ) - of the lake (of a lake, from a lake)

• अम्भसि (ambhasi) - in the water (of the lake) (in water)

• वासपङ्कजसंकोचमनाग्भग्नमुखच्छवेः (vāsapaṅkajasaṁkocamanāgbhagnamukhacchaveḥ) - referring to the Brahmin, whose face remained radiant despite the lotuses around him shrinking (due to time/conditions of immersion) (whose facial splendor was not at all broken by the shrinking of lotuses (in his dwelling/surroundings))

Words meanings and morphology

ययौ (yayau) - passed (referring to time) (went, passed, moved)

(verb)

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

Perfect (lit) Third Person Singular

Root 'yā' (to go), Parasmaipada, Perfect tense, 3rd person singular.

Root: yā (class 2)

मासाष्टकम् (māsāṣṭakam) - the duration of eight months (eight months, a period of eight months)

(noun)

Accusative, neuter, singular of māsāṣṭaka

māsāṣṭaka - group of eight months

Compound of 'māsa' (month) and 'aṣṭaka' (group of eight).

Compound type : tatpuruṣa (māsa+aṣṭaka)

• māsa – month
  noun (masculine)
• aṣṭaka – group of eight, octet
  noun (neuter)

Note: Accusative of duration.

तस्य (tasya) - of him (referring to the Brahmin) (of him, to him, for him, that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

मग्नस्य (magnasya) - of him who was immersed (in water) (of one who is immersed, of one who has plunged)

(participle)

Genitive, masculine, singular of magna

magna - immersed, plunged, sunk

Past Passive Participle

Derived from the root 'majj' (to sink, plunge).

Root: majj (class 6)

Note: Agrees with 'tasya'.

सरसः (sarasaḥ) - of the lake (of a lake, from a lake)

(noun)

Genitive, neuter, singular of saras

saras - lake, pond, pool

अम्भसि (ambhasi) - in the water (of the lake) (in water)

(noun)

Locative, neuter, singular of ambhas

ambhas - water

वासपङ्कजसंकोचमनाग्भग्नमुखच्छवेः (vāsapaṅkajasaṁkocamanāgbhagnamukhacchaveḥ) - referring to the Brahmin, whose face remained radiant despite the lotuses around him shrinking (due to time/conditions of immersion) (whose facial splendor was not at all broken by the shrinking of lotuses (in his dwelling/surroundings))

(adjective)

Genitive, masculine, singular of vāsapaṅkajasaṃkocamanāgbhagnamukhacchavi

vāsapaṅkajasaṁkocamanāgbhagnamukhacchavi - whose facial splendor was not at all broken by the shrinking of lotuses (of his dwelling)

Bahuvrīhi compound describing a person whose facial splendor ('mukha-cchavi') remained unbroken ('anāg-bhagna') even by the shrinking ('saṃkoca') of the lotuses ('paṅkaja') in his dwelling/abode ('vāsa').

Compound type : bahuvrīhi (vāsa+paṅkaja+saṃkoca+anāgbhagna+mukha+cchavi)

• vāsa – dwelling, abode, residence
  noun (masculine)
  Root: vas (class 1)
• paṅkaja – lotus (born in mud)
  noun (neuter)
  From 'paṅka' (mud) and 'ja' (born).
  Root: jan (class 4)
• saṃkoca – shrinking, contracting, closing, folding
  noun (masculine)
  From root 'kuc' with prefix 'sam'.
  Prefix: sam
  Root: kuc (class 1)
• anāgbhagna – not at all broken, undiminished, faultlessly whole
  adjective
  Compound 'anāg' (not at all, faultless) and 'bhagna' (broken). 'anāg' here implies 'not in the least'.
  Prefix: an
• mukha – face, mouth, front
  noun (neuter)
• cchavi – splendor, radiance, lustre, beauty
  noun (feminine)

Note: Modifies 'tasya magnasya'.