महाभारतः mahābhārataḥ - book-12, chapter-159, verse-47

अथ वा शिश्नवृषणावादायाञ्जलिना स्वयम् ।
नैरृतीं दिशमास्थाय निपतेत्स त्वजिह्मगः ॥४७॥

47. atha vā śiśnavṛṣaṇāvādāyāñjalinā svayam ,
nairṛtīṁ diśamāsthāya nipatetsa tvajihmagaḥ.

47. atha vā śiśnavṛṣaṇau ādāya añjalinā svayam
nairṛtīm diśam āsthāya nipatet saḥ tu ajihmagaḥ

47. atha vā svayam śiśnavṛṣaṇau añjalinā ādāya
nairṛtīm diśam āsthāya saḥ ajihmagaḥ tu nipatet

47. Or else, having himself severed his penis and testicles and holding them in his cupped hands (añjalinā), he should proceed towards the south-western direction (nairṛtīm diśam) and then cast himself down to his death. Such a person, whose path is upright (ajihmagaḥ), is indeed purified.

Words meanings summery:

• अथ (atha) - or (introducing an alternative penance) (now, then, moreover, or)

• वा (vā) - or (or, either...or)

• शिश्नवृषणौ (śiśnavṛṣaṇau) - his own penis and testicles (penis and testicles)

• आदाय (ādāya) - having severed and taken (into hands) (having taken, having seized, having removed)

• अञ्जलिना (añjalinā) - in his cupped hands (holding the severed parts) or with folded hands (as an offering/resolve) (with joined hands, in the hollow of the hands)

• स्वयम् (svayam) - himself (oneself, by oneself, personally)

• नैरृतीम् (nairṛtīm) - south-western (direction) (pertaining to Nirṛti, south-western)

• दिशम् (diśam) - the direction (direction, quarter of the sky)

• आस्थाय (āsthāya) - having proceeded towards (having resorted to, having approached, having stood facing)

• निपतेत् (nipatet) - he should cast himself down (to his death) (he should fall down, he should cast himself down)

• सः (saḥ) - he (the person undergoing penance) (he, that)

• तु (tu) - indeed, surely (but, indeed, yet)

• अजिह्मगः (ajihmagaḥ) - one whose path is upright (referring to his pure intention in penance) (one who goes straight, not crooked, upright)

Words meanings and morphology

अथ (atha) - or (introducing an alternative penance) (now, then, moreover, or)

(indeclinable)

particle

वा (vā) - or (or, either...or)

(indeclinable)

particle

शिश्नवृषणौ (śiśnavṛṣaṇau) - his own penis and testicles (penis and testicles)

(noun)

Accusative, masculine, dual of śiśnavṛṣaṇa

śiśnavṛṣaṇa - penis and testicles

dvandva compound of śiśna and vṛṣaṇa

Compound type : dvandva (śiśna+vṛṣaṇa)

• śiśna – penis
  noun (masculine)
  Root: śiś
• vṛṣaṇa – testicle, scrotum
  noun (masculine)
  Root: vṛṣ (class 1)

Note: Object of ādāya.

आदाय (ādāya) - having severed and taken (into hands) (having taken, having seized, having removed)

(indeclinable)

absolutative (gerund)

formed from root dā (to give, but with ā means to take) with upasarga ā and suffix -ya

Prefix: ā

Root: dā (class 3)

अञ्जलिना (añjalinā) - in his cupped hands (holding the severed parts) or with folded hands (as an offering/resolve) (with joined hands, in the hollow of the hands)

(noun)

Instrumental, masculine, singular of añjali

añjali - the hollow of the hands, joined hands (for reverence or reception)

Root: añj (class 7)

स्वयम् (svayam) - himself (oneself, by oneself, personally)

(indeclinable)

reflexive pronoun adverb

नैरृतीम् (nairṛtīm) - south-western (direction) (pertaining to Nirṛti, south-western)

(adjective)

Accusative, feminine, singular of nairṛtī

nairṛtī - relating to Nirṛti (goddess of decay/death), south-western

derived from Nirṛti

Note: Agrees with diśam.

दिशम् (diśam) - the direction (direction, quarter of the sky)

(noun)

Accusative, feminine, singular of diś

diś - direction, quarter of the sky, region

from root diś (to point out)

Root: diś (class 6)

Note: Object of āsthāya.

आस्थाय (āsthāya) - having proceeded towards (having resorted to, having approached, having stood facing)

(indeclinable)

absolutative (gerund)

formed from root sthā (to stand) with upasarga ā and suffix -ya

Prefix: ā

Root: sthā (class 1)

निपतेत् (nipatet) - he should cast himself down (to his death) (he should fall down, he should cast himself down)

(verb)

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

optative active

formed from root pat (to fall) with upasarga ni

Prefix: ni

Root: pat (class 1)

सः (saḥ) - he (the person undergoing penance) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, it

तु (tu) - indeed, surely (but, indeed, yet)

(indeclinable)

particle

अजिह्मगः (ajihmagaḥ) - one whose path is upright (referring to his pure intention in penance) (one who goes straight, not crooked, upright)

(adjective)

Nominative, masculine, singular of ajihmaga

ajihmaga - going straight, not crooked, upright, honest

compound of a (not) + jihma (crooked) + ga (going)

Compound type : bahuvrīhi (a+jihma+ga)

• a – not, un-
  indeclinable
  negative prefix
• jihma – crooked, oblique, sly, dishonest
  adjective (masculine)
• ga – going, moving
  noun (masculine)
  derived from root gam
  formed with suffix -a
  Root: gam (class 1)

Note: Agrees with saḥ.