योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-19, verse-13

इति गर्भालसा हंसीरुक्त्वा देवी दयापरा ।
निर्विकल्पसमाधाने ब्राह्मी तस्थौ यथासुखम् ॥ १३ ॥

iti garbhālasā haṃsīruktvā devī dayāparā ,
nirvikalpasamādhāne brāhmī tasthau yathāsukham 13

13. iti garbhālasā haṃsīḥ uktvā devī dayāparā |
nirvikalpasamādhāne brāhmī tasthau yathāsukham || 13 ||

13. iti garbhālasā haṃsīḥ uktvā,
dayāparā devī brāhmī nirvikalpasamādhāne yathāsukham tasthau 13

13. Thus, having addressed the geese (haṃsī) who were languid due to pregnancy, the compassionate goddess Brahmī remained in a state of thought-free absorption (nirvikalpasamādhi) at ease.

Words meanings summery:

• इति (iti) - thus, in this manner, so

• गर्भालसा (garbhālasā) - languid due to pregnancy, weary with gestation

• हंसीः (haṁsīḥ) - the geese, the swans

• उक्त्वा (uktvā) - having said, having spoken

• देवी (devī) - goddess

• दयापरा (dayāparā) - supremely compassionate, intent on compassion

• निर्विकल्पसमाधाने (nirvikalpasamādhāne) - in the state of thought-free absorption (nirvikalpasamādhi) (in the state of thought-free absorption)

• ब्राह्मी (brāhmī) - Brahmī (a goddess)

• तस्थौ (tasthau) - stood, remained, abode

• यथासुखम् (yathāsukham) - comfortably, at ease, as it pleased

Words meanings and morphology

इति (iti) - thus, in this manner, so

(indeclinable)

गर्भालसा (garbhālasā) - languid due to pregnancy, weary with gestation

(adjective)

Nominative, feminine, singular of garbhālasa

garbhālasa - languid/weary due to pregnancy

Compound type : tatpuruṣa (garbha+alasa)

• garbha – womb, embryo, fetus, pregnancy
  noun (masculine)
• alasa – languid, idle, lazy, weary
  adjective (masculine)

हंसीः (haṁsīḥ) - the geese, the swans

(noun)

Accusative, feminine, plural of haṃsī

haṁsī - a female goose, a female swan

उक्त्वा (uktvā) - having said, having spoken

(indeclinable)

absolutive (gerund)

Root: vac (class 2)

देवी (devī) - goddess

(noun)

Nominative, feminine, singular of devī

devī - goddess, divine female

दयापरा (dayāparā) - supremely compassionate, intent on compassion

(adjective)

Nominative, feminine, singular of dayāpara

dayāpara - intent on mercy, compassionate, benevolent

Compound type : tatpuruṣa (dayā+para)

• dayā – compassion, pity, mercy
  noun (feminine)
  Root: day (class 1)
• para – supreme, ultimate, intent on, devoted to
  adjective (masculine)

निर्विकल्पसमाधाने (nirvikalpasamādhāne) - in the state of thought-free absorption (nirvikalpasamādhi) (in the state of thought-free absorption)

(noun)

Locative, masculine, singular of nirvikalpasamādhi

nirvikalpasamādhi - thought-free absorption, a state of deep meditation (samādhi) without mental modifications or distinctions

Compound type : karmadhāraya (nirvikalpa+samādhi)

• nirvikalpa – without alternative, without doubt, free from distinctions
  adjective (masculine)
  Compound of 'nis' (without) and 'vikalpa' (thought, distinction)
  Prefix: nis
• samādhi – deep meditation, concentration, absorption, trance (samādhi)
  noun (masculine)
  Prefixes: sam+ā
  Root: dhā (class 3)

ब्राह्मी (brāhmī) - Brahmī (a goddess)

(proper noun)

Nominative, feminine, singular of brāhmī

brāhmī - Brahmī (a goddess, the female creative power of Brahmā)

तस्थौ (tasthau) - stood, remained, abode

(verb)

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

Root: sthā (class 1)

यथासुखम् (yathāsukham) - comfortably, at ease, as it pleased

(indeclinable)

Compound type : avyayībhāva (yathā+sukha)

• yathā – as, according to, just as
  indeclinable
• sukha – happiness, ease, comfort
  noun (neuter)