योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-86, verse-50

इति भावितया बुद्ध्या ते द्विजा अथ ऐन्दवाः ।
दशाद्रिवृत्तयस्तस्थुः समुत्कीर्णा इवोपलात् ॥ ५० ॥

iti bhāvitayā buddhyā te dvijā atha aindavāḥ ,
daśādrivṛttayastasthuḥ samutkīrṇā ivopalāt 50

50. iti bhāvitayā buddhyā te dvijāḥ atha aindavāḥ
daśādrivṛttayaḥ tasthuḥ samutkīrṇāḥ iva upalāt

50. iti bhāvitayā buddhyā atha te aindavāḥ dvijāḥ
daśādrivṛttayaḥ tasthuḥ samutkīrṇāḥ iva upalāt

50. Thus, with their minds (buddhi) imbued with this understanding, those moon-born twice-born sages (dvija) stood firm, like ten mountains, as if carved out of solid rock.

Words meanings summery:

• इति (iti) - thus, in this manner

• भावितया (bhāvitayā) - imbued, cultivated, made to exist

• बुद्ध्या (buddhyā) - with their minds (buddhi) (by intellect, by mind)

• ते (te) - those

• द्विजाः (dvijāḥ) - twice-born sages (dvija) (twice-born ones, Brahmins, sages)

• अथ (atha) - then, now, moreover

• ऐन्दवाः (aindavāḥ) - moon-born (sages) (moon-born, related to the moon)

• दशाद्रिवृत्तयः (daśādrivṛttayaḥ) - having the stability of ten mountains (having the nature/functions of ten mountains)

• तस्थुः (tasthuḥ) - they stood, they remained

• समुत्कीर्णाः (samutkīrṇāḥ) - carved out, engraved

• इव (iva) - like, as if

• उपलात् (upalāt) - from a rock

Words meanings and morphology

इति (iti) - thus, in this manner

(indeclinable)

भावितया (bhāvitayā) - imbued, cultivated, made to exist

(adjective)

Instrumental, feminine, singular of bhāvita

bhāvita - imbued, cultivated, contemplated, brought into existence

Past Passive Participle

Derived from root 'bhū' (to be, to exist) in causative (bhāvay) with -ta suffix.

Root: bhū (class 1)

बुद्ध्या (buddhyā) - with their minds (buddhi) (by intellect, by mind)

(noun)

Instrumental, feminine, singular of buddhi

buddhi - intellect, understanding, mind, reason, discernment

Derived from root 'budh' (to know, understand) with -ti suffix.

Root: budh (class 1)

ते (te) - those

(pronoun)

Nominative, masculine, plural of tad

tad - that, those

द्विजाः (dvijāḥ) - twice-born sages (dvija) (twice-born ones, Brahmins, sages)

(noun)

Nominative, masculine, plural of dvija

dvija - twice-born (a Brahmin, Kshatriya, or Vaishya), Brahmin, bird, tooth

Compound type : bahuvrihi (dvi+ja)

• dvi – two, twice
  numeral
• ja – born, produced from
  adjective (masculine)
  suffix for 'born'
  Derived from root 'jan' (to be born) with -a suffix.
  Root: jan (class 4)

Note: Refers to the sages.

अथ (atha) - then, now, moreover

(indeclinable)

ऐन्दवाः (aindavāḥ) - moon-born (sages) (moon-born, related to the moon)

(adjective)

Nominative, masculine, plural of aindava

aindava - relating to the moon (Indu), lunar, moon-born

Derived from Indu (moon) + aṇ (patronymic/relational suffix).

Note: Refers to the lineage or origin of the sages.

दशाद्रिवृत्तयः (daśādrivṛttayaḥ) - having the stability of ten mountains (having the nature/functions of ten mountains)

(noun)

Nominative, masculine, plural of daśādrivṛtti

daśādrivṛtti - having the nature of ten mountains, as firm as ten mountains

Compound type : bahuvrihi (daśa+adri+vṛtti)

• daśa – ten
  numeral
• adri – mountain, rock
  noun (masculine)
• vṛtti – function, mode of being, state, nature, stability
  noun (feminine)
  Derived from root 'vṛt' (to be, to turn, to exist) with -ti suffix.
  Root: vṛt (class 1)

Note: Compound adjective describing the sages.

तस्थुः (tasthuḥ) - they stood, they remained

(verb)

3rd person , plural, active, perfect (lit) of sthā

Perfect Active Indicative

3rd person plural, parasmaipada.

Root: sthā (class 1)

Note: From root 'sthā'.

समुत्कीर्णाः (samutkīrṇāḥ) - carved out, engraved

(adjective)

Nominative, masculine, plural of samutkīrṇa

samutkīrṇa - carved out, engraved, sculptured

Past Passive Participle

Derived from root 'kṛ' (to scatter, engrave) with prefixes 'sam-' and 'ut-' and -ṇa suffix.

Prefixes: sam+ut

Root: kṛ (class 6)

Note: Describing the sages.

इव (iva) - like, as if

(indeclinable)

उपलात् (upalāt) - from a rock

(noun)

Ablative, masculine, singular of upala

upala - stone, rock, jewel