योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-51, verse-15

बभूव वनदेवीनां समाजो नन्दने वने ।
तत्राहमगमं नाथ त्रैलोक्यललनासदः ॥ १५ ॥

babhūva vanadevīnāṃ samājo nandane vane ,
tatrāhamagamaṃ nātha trailokyalalanāsadaḥ 15

15. babhūva vanadevīnām samājaḥ nandane vane
tatra aham agamam nātha trailokyalalanāsadaḥ

15. nātha nandane vane vanadevīnām samājaḥ
babhūva tatra aham trailokyalalanāsadaḥ agamam

15. A gathering of forest goddesses occurred in the Nandana forest. O Lord, I went there, to the assembly of the women of the three worlds.

Words meanings summery:

• बभूव (babhūva) - occurred (became, happened, occurred, existed)

• वनदेवीनाम् (vanadevīnām) - of the forest goddesses

• समाजः (samājaḥ) - a gathering (assembly, gathering, society, collection)

• नन्दने (nandane) - in the Nandana (celestial garden) (in Nandana)

• वने (vane) - in the forest (in the forest, in the wood, in the garden)

• तत्र (tatra) - there (there, in that place, on that occasion)

• अहम् (aham) - I

• अगमम् (agamam) - I went (I went, I came)

• नाथ (nātha) - O Lord (O Lord, master, protector, patron)

• त्रैलोक्यललनासदः (trailokyalalanāsadaḥ) - to the assembly of the women of the three worlds (assembly of women of the three worlds)

Words meanings and morphology

बभूव (babhūva) - occurred (became, happened, occurred, existed)

(verb)

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

Perfect Active

Perfect tense, 3rd person singular, active voice (Parasmaipada)

Root: bhū (class 1)

वनदेवीनाम् (vanadevīnām) - of the forest goddesses

(noun)

Genitive, feminine, plural of vanadevī

vanadevī - forest goddess, nymph of the forest

Compound type : tatpurusha (vana+devī)

• vana – forest, wood, grove
  noun (neuter)
• devī – goddess, divine lady, queen
  noun (feminine)

समाजः (samājaḥ) - a gathering (assembly, gathering, society, collection)

(noun)

Nominative, masculine, singular of samāja

samāja - assembly, gathering, meeting, society

From sam-ā-√aj (to drive together)

Prefixes: sam+ā

Root: aj (class 1)

नन्दने (nandane) - in the Nandana (celestial garden) (in Nandana)

(proper noun)

Locative, neuter, singular of nandana

nandana - a pleasure garden (specifically the garden of Indra), delighting, pleasing

Root: nand (class 1)

वने (vane) - in the forest (in the forest, in the wood, in the garden)

(noun)

Locative, neuter, singular of vana

vana - forest, wood, grove, garden, multitude

तत्र (tatra) - there (there, in that place, on that occasion)

(indeclinable)

Locative of 'tad'

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, me

अगमम् (agamam) - I went (I went, I came)

(verb)

1st person , singular, active, past imperfect (laṅ) of gam

Imperfect Active

Imperfect tense, 1st person singular, active voice (Parasmaipada)

Root: gam (class 1)

नाथ (nātha) - O Lord (O Lord, master, protector, patron)

(noun)

Vocative, masculine, singular of nātha

nātha - master, lord, protector, patron, owner

त्रैलोक्यललनासदः (trailokyalalanāsadaḥ) - to the assembly of the women of the three worlds (assembly of women of the three worlds)

(noun)

Accusative, neuter, singular of trailokyalalanāsada

trailokyalalanāsada - assembly of the women of the three worlds

Compound type : tatpurusha (triloka+lalanā+sadas)

• triloka – three worlds (heaven, earth, underworld)
  noun (masculine)
• lalanā – woman, beautiful woman, lady
  noun (feminine)
• sadas – assembly, gathering, meeting, seat
  noun (neuter)

Note: Accusative case implies the destination of movement (agamam).