योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-27, verse-10

तेषामाविरभूद्ब्रह्मा रक्तरक्ताननश्रियाम् ।
सायं रक्तीकृताम्बूनामब्धीनामिव चन्द्रमाः ॥ १० ॥

teṣāmāvirabhūdbrahmā raktaraktānanaśriyām ,
sāyaṃ raktīkṛtāmbūnāmabdhīnāmiva candramāḥ 10

10. teṣām āvirabhūt brahmā rakta-raktānana-śriyām
sāyam raktīkṛtāmbūnām abdhīnām iva candramāḥ

10. brahmā teṣām rakta-raktānana-śriyām āvirabhūt
sāyam raktīkṛtāmbūnām abdhīnām iva candramāḥ

10. Brahmā (brahman) appeared before them, whose faces were red and radiant, just as the moon appears to oceans whose waters are reddened by the evening glow.

Words meanings summery:

• तेषाम् (teṣām) - to the gods (of them, to them)

• आविरभूत् (āvirabhūt) - appeared, manifested

• ब्रह्मा (brahmā) - Brahmā (the creator god)

• रक्त-रक्तानन-श्रियाम् (rakta-raktānana-śriyām) - describing the distressed state of the gods (whose faces had a red-red splendor, with very red and shining faces)

• सायम् (sāyam) - in the evening, at evening

• रक्तीकृताम्बूनाम् (raktīkṛtāmbūnām) - describing the oceans at sunset (whose waters are made red, with reddened waters)

• अब्धीनाम् (abdhīnām) - of the oceans, of the seas

• इव (iva) - like, as, as if

• चन्द्रमाः (candramāḥ) - the moon

Words meanings and morphology

तेषाम् (teṣām) - to the gods (of them, to them)

(pronoun)

Genitive, masculine, plural of tad

tad - that, those, he, she, it

आविरभूत् (āvirabhūt) - appeared, manifested

(verb)

3rd person , singular, active, past imperfect (laṅ) of āvirbhū

Irregular imperfect form, composed of 'āvis' (indeclinable) and root 'bhū' (to be).

Root: bhū (class 1)

ब्रह्मा (brahmā) - Brahmā (the creator god)

(proper noun)

Nominative, masculine, singular of brahman

brahman - Brahmā (the creator god), the Absolute, sacred word, prayer

रक्त-रक्तानन-श्रियाम् (rakta-raktānana-śriyām) - describing the distressed state of the gods (whose faces had a red-red splendor, with very red and shining faces)

(adjective)

Genitive, masculine, plural of rakta-raktānana-śrī

rakta-raktānana-śrī - whose faces have red-red splendor

Compound type : bahuvrīhi (rakta-raktānana+śrī)

• rakta-raktānana – with very red faces
  noun (neuter)
• śrī – splendor, beauty, prosperity, wealth, glory, Lakshmi
  noun (feminine)

Note: Bahuvrīhi compound describing the gods.

सायम् (sāyam) - in the evening, at evening

(indeclinable)

रक्तीकृताम्बूनाम् (raktīkṛtāmbūnām) - describing the oceans at sunset (whose waters are made red, with reddened waters)

(adjective)

Genitive, masculine, plural of raktīkṛtāmbu

raktīkṛtāmbu - whose water is made red

Compound type : bahuvrīhi (raktīkṛta+ambu)

• raktīkṛta – made red, reddened
  adjective (neuter)
  Past Passive Participle
  From 'rakta' (red) + 'kṛ' (to make) with 'ī' suffix, meaning 'made red'.
  Root: kṛ (class 8)
• ambu – water
  noun (neuter)

Note: Bahuvrīhi compound describing the oceans.

अब्धीनाम् (abdhīnām) - of the oceans, of the seas

(noun)

Genitive, masculine, plural of abdhi

abdhi - ocean, sea

Root: dhā (class 3)

इव (iva) - like, as, as if

(indeclinable)

चन्द्रमाः (candramāḥ) - the moon

(noun)

Nominative, masculine, singular of candramas

candramas - moon, moon-god