योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-30, verse-9

अथ पुत्रसहायोऽसौ बलकोशसमन्वितः ।
आजगाम मदं दैत्यस्त्रिगण्डगलितेभवत् ॥ ९ ॥

atha putrasahāyo'sau balakośasamanvitaḥ ,
ājagāma madaṃ daityastrigaṇḍagalitebhavat 9

9. atha putrasahāyaḥ asau balakośasamanvitaḥ
ājagāma madam daityaḥ trigaṇḍagalitebhavat

9. atha putrasahāyaḥ balakośasamanvitaḥ asau
daityaḥ trigaṇḍagalitebhavat iva madam ājagāma

9. Then, that demon, accompanied by his son and possessing abundant strength and treasure, became extremely arrogant, like an elephant in full rut, from whose three temporal glands fluid streams.

Words meanings summery:

• अथ (atha) - then, now, moreover

• पुत्रसहायः (putrasahāyaḥ) - assisted by his son (whose helper is a son, assisted by a son)

• असौ (asau) - that demon (Hiranyakashipu) (that one, he)

• बलकोशसमन्वितः (balakośasamanvitaḥ) - endowed with strength and treasure, possessing power and wealth

• आजगाम (ājagāma) - attained arrogance (came, arrived, attained)

• मदम् (madam) - pride, arrogance, intoxication, rut

• दैत्यः (daityaḥ) - Hiranyakashipu (demon, son of Diti)

• त्रिगण्डगलितेभवत् (trigaṇḍagalitebhavat) - like an elephant whose three temporal glands are exuding fluid (a sign of intense rut)

Words meanings and morphology

अथ (atha) - then, now, moreover

(indeclinable)

पुत्रसहायः (putrasahāyaḥ) - assisted by his son (whose helper is a son, assisted by a son)

(adjective)

Nominative, masculine, singular of putrasahāya

putrasahāya - having a son as a helper, assisted by a son

Compound type : Bahuvrīhi (putra+sahāya)

• putra – son
  noun (masculine)
• sahāya – helper, assistant, companion
  noun (masculine)

Note: Qualifies 'daityaḥ'

असौ (asau) - that demon (Hiranyakashipu) (that one, he)

(pronoun)

Nominative, masculine, singular of adas

adas - that, this, he, she, it

बलकोशसमन्वितः (balakośasamanvitaḥ) - endowed with strength and treasure, possessing power and wealth

(adjective)

Nominative, masculine, singular of balakośasamanvita

balakośasamanvita - endowed with strength and treasure

Compound type : Bahuvrīhi (bala-kośa+samanvita)

• balakośa – strength and treasure, military and financial resources
  noun (masculine)
• samanvita – possessed of, endowed with, accompanied by
  adjective
  Past Passive Participle
  From root 'i' (to go) with prefixes 'sam' and 'anu'
  Prefixes: sam+anu
  Root: i (class 2)

Note: Qualifies 'daityaḥ'

आजगाम (ājagāma) - attained arrogance (came, arrived, attained)

(verb)

3rd person , singular, active, past perfect (lit) of gam

Prefix: ā

Root: gam (class 1)

मदम् (madam) - pride, arrogance, intoxication, rut

(noun)

Accusative, masculine, singular of mada

mada - intoxication, rut, pride, arrogance, joy

दैत्यः (daityaḥ) - Hiranyakashipu (demon, son of Diti)

(noun)

Nominative, masculine, singular of daitya

daitya - descendant of Diti, a demon

त्रिगण्डगलितेभवत् (trigaṇḍagalitebhavat) - like an elephant whose three temporal glands are exuding fluid (a sign of intense rut)

(adjective)

Nominative, masculine, singular of trigaṇḍagalitebha

trigaṇḍagalitebha - an elephant from whose three temporal glands fluid flows (a sign of being in rut)

Compound type : Bahuvrīhi (trigaṇḍa+galita+ibha)

• trigaṇḍa – three temporal glands
  noun (neuter)
• galita – fallen, dropped, exuded, flowing
  adjective
  Past Passive Participle
  From root 'gal' (to drop, to trickle)
  Root: gal (class 1)
• ibha – elephant
  noun (masculine)

Note: Used adverbially here as 'like an elephant in rut'.