योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-49, verse-27

लताकान्तैककान्तत्वाच्छृङ्गाररसनिर्भरम् ।
काकल्येव प्रगायन्तं मत्तालिनिजनिःस्वनैः ॥ २७ ॥

latākāntaikakāntatvācchṛṅgārarasanirbharam ,
kākalyeva pragāyantaṃ mattālinijaniḥsvanaiḥ 27

27. latākāntaikakāntatvāt śṛṅgārarasanirbharam
kākalyā iva pragāyantam mattālinīniḥsvanaiḥ

27. latākāntaikakāntatvāt śṛṅgārarasanirbharam
mattālinīniḥsvanaiḥ kākalyā iva pragāyantam

27. Being singularly beloved by creepers, (it was) filled with the sentiment of love, as if singing with a soft, sweet note, accompanied by the humming sounds of intoxicated female bees.

Words meanings summery:

• लताकान्तैककान्तत्वात् (latākāntaikakāntatvāt) - because of being singularly charming/beloved by creepers

• शृङ्गाररसनिर्भरम् (śṛṅgārarasanirbharam) - full of the sentiment of love, intensely imbued with erotic sentiment

• काकल्या (kākalyā) - with a low sweet note

• इव (iva) - as if, like

• प्रगायन्तम् (pragāyantam) - singing forth (singing, chanting)

• मत्तालिनीनिःस्वनैः (mattālinīniḥsvanaiḥ) - with the sounds of intoxicated female bees

Words meanings and morphology

लताकान्तैककान्तत्वात् (latākāntaikakāntatvāt) - because of being singularly charming/beloved by creepers

(noun)

Ablative, neuter, singular of latākāntaikakāntatva

latākāntaikakāntatva - the state of being singularly charming/beloved to creepers

Compound of `latākānta` + `ekakānta` + `tva` (abstract noun suffix).

Compound type : tatpuruṣa (latā+kānta+eka+kānta+tva)

• latā – creeper, vine
  noun (feminine)
• kānta – beloved, desired, charming
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  From root `kam` (to desire) + `kta` suffix.
  Root: kam (class 1)
• eka – one, single, unique, sole
  numeral/adjective (masculine/feminine/neuter)
• kānta – beloved, desired, charming
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  From root `kam` (to desire) + `kta` suffix.
  Root: kam (class 1)
• tva – state of being, -ness
  suffix (neuter)
  Suffix forming abstract nouns, meaning 'state of' or '-ness'.

Note: `latākānta` (charming to creepers or creepers' beloved). `ekakānta` (singularly charming). `ekakāntatva` (state of being singularly charming). `latākāntaikakāntatva` (state of being singularly charming *because of* or *to* creepers). Here, "because of being singularly beloved by creepers."

शृङ्गाररसनिर्भरम् (śṛṅgārarasanirbharam) - full of the sentiment of love, intensely imbued with erotic sentiment

(adjective)

Accusative, masculine, singular of śṛṅgārarasanirbhara

śṛṅgārarasanirbhara - full of the sentiment of love

Compound of `śṛṅgārarasa` (erotic sentiment) and `nirbhara` (full of).

Compound type : tatpuruṣa (śṛṅgārarasa+nirbhara)

• śṛṅgāra – love, erotic love, amorous feeling
  noun (masculine)
• rasa – sentiment, essence, juice, taste
  noun (masculine)
  From root `ras` (to taste, to feel)
  Root: ras (class 1)
• nirbhara – full of, filled with, abundant, intense
  adjective (masculine/feminine/neuter)
  From `nis` + root `bhṛ` (to bear, to fill)
  Prefix: nis
  Root: bhṛ (class 1)

Note: Agrees with the implicit masculine subject (e.g., the forest).

काकल्या (kākalyā) - with a low sweet note

(noun)

Instrumental, feminine, singular of kākalī

kākalī - a low, soft, sweet, indistinct sound; a soft song or whisper

इव (iva) - as if, like

(indeclinable)

प्रगायन्तम् (pragāyantam) - singing forth (singing, chanting)

(adjective)

Accusative, masculine, singular of pragāyat

pragāyat - singing forth, singing loudly, chanting

Present Active Participle

From `pra` + root `gai` (to sing) + `śatṛ` suffix.

Prefix: pra

Root: gai (class 1)

Note: Qualifies the implicit masculine subject.

मत्तालिनीनिःस्वनैः (mattālinīniḥsvanaiḥ) - with the sounds of intoxicated female bees

(noun)

Instrumental, masculine, plural of mattālinīniḥsvana

mattālinīniḥsvana - the sound/humming of intoxicated female bees

Compound of `mattālinī` (intoxicated female bee) and `niḥsvana` (sound, humming).

Compound type : tatpuruṣa (mattālinī+niḥsvana)

• matta – intoxicated, ardent, eager, joyful
  adjective (masculine/feminine/neuter)
  Past Passive Participle
  From root `mad` (to be exhilarated) + `kta` suffix.
  Root: mad (class 4)
• alinī – female bee
  noun (feminine)
  Feminine form of `ali` (bee).
• niḥsvana – sound, humming, noise
  noun (masculine)
  From `nis` + root `svan` (to sound).
  Prefix: nis
  Root: svan (class 1)

Note: `mattālinī` (intoxicated female bee). `niḥsvanaiḥ` (by sounds). So, "by the sounds of intoxicated female bees."