योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-106, verse-20

तत्रैनं स्नापयामास महाराजं महादरात् ।
गजकुम्भोपमस्कन्धं कुम्भो मङ्गलपूर्वकम् ॥ २० ॥

tatrainaṃ snāpayāmāsa mahārājaṃ mahādarāt ,
gajakumbhopamaskandhaṃ kumbho maṅgalapūrvakam 20

20. tatra enam snāpayām āsa mahārājam mahādarāt
gajakumbhopamaskandham kumbhaḥ maṅgalapūrvakam

20. tatra kumbhaḥ mahādarāt maṅgalapūrvakam enam
mahārājam gajakumbhopamaskandham snāpayām āsa

20. There, Kumbha, with great reverence and auspiciously, bathed him, the great king, whose shoulders resembled the frontal protuberances of an elephant.

Words meanings summery:

• तत्र (tatra) - there, in that place, then

• एनम् (enam) - him, this one

• स्नापयाम् (snāpayām) - caused to bathe, bathed

• आस (āsa) - he/she/it was

• महाराजम् (mahārājam) - referring to Śikhidhvaja (the great king)

• महादरात् (mahādarāt) - with great respect, out of great reverence

• गजकुम्भोपमस्कन्धम् (gajakumbhopamaskandham) - whose shoulders resemble the frontal protuberances of an elephant

• कुम्भः (kumbhaḥ) - Cūḍālā in her male disguise as Kumbha (Kumbha (proper name))

• मङ्गलपूर्वकम् (maṅgalapūrvakam) - auspiciously, preceded by auspicious rites/words

Words meanings and morphology

तत्र (tatra) - there, in that place, then

(indeclinable)

एनम् (enam) - him, this one

(pronoun)

Accusative, masculine, singular of idam

idam - this, this one (near the speaker)

स्नापयाम् (snāpayām) - caused to bathe, bathed

(verb)

Causative stem

Causative stem derived from root snā- 'to bathe' with suffix -paya.

Root: snā (class 2)

Note: Part of the periphrastic perfect `snāpayām āsa`.

आस (āsa) - he/she/it was

(verb)

3rd person , singular, active, past perfect (liṭ) of as

Root: as (class 2)

Note: Auxiliary verb for the periphrastic perfect.

महाराजम् (mahārājam) - referring to Śikhidhvaja (the great king)

(noun)

Accusative, masculine, singular of mahārāja

mahārāja - great king, emperor

Compound type : karmadhāraya (mahā+rāja)

• mahā – great, large, mighty
  adjective
• rāja – king, ruler
  noun (masculine)

महादरात् (mahādarāt) - with great respect, out of great reverence

(noun)

Ablative, masculine, singular of mahādara

mahādara - great respect, profound reverence

Compound type : karmadhāraya (mahā+ādara)

• mahā – great, large, mighty
  adjective
• ādara – respect, reverence, esteem, regard
  noun (masculine)
  Prefix: ā
  Root: dṛ (class 6)

गजकुम्भोपमस्कन्धम् (gajakumbhopamaskandham) - whose shoulders resemble the frontal protuberances of an elephant

(adjective)

Accusative, masculine, singular of gajakumbhopamaskandha

gajakumbhopamaskandha - having shoulders resembling an elephant's frontal protuberances

Compound type : bahuvrīhi (gajakumbha+upama+skandha)

• gajakumbha – frontal protuberance or knob on an elephant's head
  noun (masculine)
• upama – resembling, likeness, comparison
  adjective (masculine)
• skandha – shoulder, trunk, branch
  noun (masculine)

कुम्भः (kumbhaḥ) - Cūḍālā in her male disguise as Kumbha (Kumbha (proper name))

(proper noun)

Nominative, masculine, singular of kumbha

kumbha - pitcher, pot, a measure, the frontal protuberance on an elephant's head; also a proper name

मङ्गलपूर्वकम् (maṅgalapūrvakam) - auspiciously, preceded by auspicious rites/words

(indeclinable)

Compound type : bahuvrīhi (maṅgala+pūrvaka)

• maṅgala – auspicious, felicitous, blessing, good fortune
  noun (neuter)
• pūrvaka – preceded by, having as a precedent, accompanied by
  adjective (masculine)

Note: Used adverbially.