महाभारतः mahābhārataḥ - book-12, chapter-187, verse-51

इतीमं हृदयग्रन्थिं बुद्धिभेदमयं दृढम् ।
विमुच्य सुखमासीत न शोचेच्छिन्नसंशयः ॥५१॥

51. itīmaṁ hṛdayagranthiṁ buddhibhedamayaṁ dṛḍham ,
vimucya sukhamāsīta na śocecchinnasaṁśayaḥ.

51. iti imam hṛdayagranthim buddhibhedamayam dṛḍham
vimucya sukham āsīta na śocet chinnasaṃśayaḥ

51. iti imam dṛḍham buddhibhedamayam hṛdayagranthim vimucya,
chinnasaṃśayaḥ sukham āsīta,
na śocet

51. Therefore, having untied this firm knot of the heart, which causes intellectual confusion, one should remain happily and not grieve, having dispelled all doubts.

Words meanings summery:

• इति (iti) - thus, in this way (quotation marker)

• इमम् (imam) - refers to the 'knot of the heart' (this)

• हृदयग्रन्थिम् (hṛdayagranthim) - a deep-seated psychological or spiritual impediment like doubt or attachment (knot of the heart)

• बुद्धिभेदमयम् (buddhibhedamayam) - consisting of intellectual division/confusion, characterized by mental conflicts

• दृढम् (dṛḍham) - firm, strong, rigid

• विमुच्य (vimucya) - having released, having untied, having abandoned

• सुखम् (sukham) - happily, with ease, comfortably

• आसीत (āsīta) - one should sit, one should remain, one should be

• न (na) - not, no

• शोचेत् (śocet) - one should grieve, one should mourn

• छिन्नसंशयः (chinnasaṁśayaḥ) - one whose doubts are dispelled/cut, with doubts resolved

Words meanings and morphology

इति (iti) - thus, in this way (quotation marker)

(indeclinable)

इमम् (imam) - refers to the 'knot of the heart' (this)

(pronoun)

Accusative, masculine, singular of idam

idam - this, this here

हृदयग्रन्थिम् (hṛdayagranthim) - a deep-seated psychological or spiritual impediment like doubt or attachment (knot of the heart)

(noun)

Accusative, masculine, singular of hṛdayagranthi

hṛdayagranthi - knot of the heart (figuratively, psychological or spiritual impediment)

Compound type : tatpurusha (hṛdaya+granthi)

• hṛdaya – heart, mind, essence
  noun (neuter)
• granthi – knot, tie, impediment, text, book
  noun (masculine)
  Root: granth (class 1)

बुद्धिभेदमयम् (buddhibhedamayam) - consisting of intellectual division/confusion, characterized by mental conflicts

(adjective)

Accusative, masculine, singular of buddhibhedamaya

buddhibhedamaya - consisting of mental division/confusion, characterized by intellectual conflict

Formed from `buddhibheda` (intellectual division) + `maya` (suffix for 'consisting of').

Compound type : tatpurusha (buddhi+bheda)

• buddhi – intellect, understanding, discernment
  noun (feminine)
  Root: budh (class 1)
• bheda – division, difference, separation, disunion
  noun (masculine)
  Root: bhid (class 7)

दृढम् (dṛḍham) - firm, strong, rigid

(adjective)

Accusative, masculine, singular of dṛḍha

dṛḍha - firm, strong, rigid, fixed, hard

Past Passive Participle

From root `dṛh` (to be firm).

Root: dṛh (class 1)

विमुच्य (vimucya) - having released, having untied, having abandoned

(indeclinable)

Absolutive (Gerund)

Formed from root `muc` (to release) with prefix `vi`.

Prefix: vi

Root: muc (class 6)

सुखम् (sukham) - happily, with ease, comfortably

(indeclinable)

Used adverbially.

आसीत (āsīta) - one should sit, one should remain, one should be

(verb)

3rd person , singular, middle, optative (vidhiliṅ) of ās

Root: ās (class 2)

न (na) - not, no

(indeclinable)

शोचेत् (śocet) - one should grieve, one should mourn

(verb)

3rd person , singular, active, optative (vidhiliṅ) of śuc

Root: śuc (class 1)

छिन्नसंशयः (chinnasaṁśayaḥ) - one whose doubts are dispelled/cut, with doubts resolved

(adjective)

Nominative, masculine, singular of chinnasaṃśaya

chinnasaṁśaya - one whose doubts are severed/dispelled/resolved

Compound type : bahuvrīhi (chinna+saṃśaya)

• chinna – cut, severed, broken, dispelled
  adjective (masculine)
  Past Passive Participle
  From root `chid` (to cut).
  Root: chid (class 7)
• saṃśaya – doubt, uncertainty, suspicion
  noun (masculine)
  Root `śī` with `sam` prefix.
  Prefix: sam
  Root: śī (class 2)