योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-77, verse-44

मिथः कलाकलापस्य कोविदौ तौ बभूवतुः ।
स्वरूपमेकमेवैतौ दधतुर्मित्रतां गतौ ॥ ४४ ॥

mithaḥ kalākalāpasya kovidau tau babhūvatuḥ ,
svarūpamekamevaitau dadhaturmitratāṃ gatau 44

44. mithaḥ kalākalāpasya kovidau tau babhūvatuḥ
svarūpam ekam eva etau dadhatuḥ mitratām gatau

44. tau mithaḥ kalākalāpasya kovidau babhūvatuḥ; mitratām gatau etau ekam eva svarūpam dadhatuḥ.

44. They both became skilled in all the arts. Having formed a friendship, these two assumed a single nature.

Words meanings summery:

• मिथः (mithaḥ) - mutually, together, between themselves

• कलाकलापस्य (kalākalāpasya) - of the collection of arts, of all arts

• कोविदौ (kovidau) - experts, skilled ones

• तौ (tau) - referring to the two main characters (those two)

• बभूवतुः (babhūvatuḥ) - they became

• स्वरूपम् (svarūpam) - form, nature, own form

• एकम् (ekam) - one, single

• एव (eva) - only, just, indeed

• एतौ (etau) - these two

• दधतुः (dadhatuḥ) - they held, they assumed

• मित्रताम् (mitratām) - friendship

• गतौ (gatau) - having attained friendship (having gone, having attained)

Words meanings and morphology

मिथः (mithaḥ) - mutually, together, between themselves

(indeclinable)

कलाकलापस्य (kalākalāpasya) - of the collection of arts, of all arts

(noun)

Genitive, masculine, singular of kalākalāpa

kalākalāpa - a collection of arts, an aggregate of skills

Compound type : tatpuruṣa (kalā+kalāpa)

• kalā – art, skill, a digit of the moon
  noun (feminine)
• kalāpa – a collection, an aggregate, a bundle
  noun (masculine)

कोविदौ (kovidau) - experts, skilled ones

(adjective)

Nominative, masculine, dual of kovida

kovida - skilled, expert, wise, learned

From 'ku' (earth) + 'vid' (know) - 'knower of the earth' (figuratively, worldly wise) or from 'ko' (who) + 'vid' (know) 'who knows'

Root: vid (class 2)

तौ (tau) - referring to the two main characters (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

Demonstrative pronoun

Note: Refers to two male or mixed-gender individuals.

बभूवतुः (babhūvatuḥ) - they became

(verb)

3rd person , dual, active, perfect (Lit) of bhū

Perfect active

3rd person, dual, perfect active

Root: bhū (class 1)

स्वरूपम् (svarūpam) - form, nature, own form

(noun)

Accusative, neuter, singular of svarūpa

svarūpa - one's own form or nature, identity, real condition

Compound type : tatpuruṣa (sva+rūpa)

• sva – one's own, self
  pronoun (masculine)
• rūpa – form, shape, appearance, nature
  noun (neuter)

एकम् (ekam) - one, single

(numeral)

एव (eva) - only, just, indeed

(indeclinable)

Particle for emphasis

एतौ (etau) - these two

(pronoun)

Nominative, masculine, dual of etad

etad - this, these

Demonstrative pronoun

Note: Refers to two male or mixed-gender individuals.

दधतुः (dadhatuḥ) - they held, they assumed

(verb)

3rd person , dual, active, perfect (Lit) of dhā

Perfect active

3rd person, dual, perfect active

Root: dhā (class 3)

मित्रताम् (mitratām) - friendship

(noun)

Accusative, feminine, singular of mitratā

mitratā - friendship, amity, alliance

Derived from `mitra` (friend) + `-tā` (abstract noun suffix)

गतौ (gatau) - having attained friendship (having gone, having attained)

(adjective)

Nominative, masculine, dual of gata

gata - gone, arrived, attained, reached

Past Passive Participle

From root `gam` (to go)

Root: gam (class 1)

Note: Used here in an active sense, "having attained".