महाभारतः mahābhārataḥ - book-9, chapter-39, verse-23

सोऽस्मिंस्तीर्थवरे राजन्सरस्वत्याः समाहितः ।
नियमैश्चोपवासैश्च कर्शयन्देहमात्मनः ॥२३॥

23. so'smiṁstīrthavare rājansarasvatyāḥ samāhitaḥ ,
niyamaiścopavāsaiśca karśayandehamātmanaḥ.

23. saḥ asmin tīrthavare rājan sarasvatyāḥ samāhitaḥ
niyamaiḥ ca upavāsaiḥ ca karśayan deham ātmanaḥ

23. rājan saḥ sarasvatyāḥ asmin tīrthavare samāhitaḥ
niyamaiḥ ca upavāsaiḥ ca ātmanaḥ deham karśayan

23. O King, he, absorbed in this supreme sacred site (tīrtha) of the Sarasvatī river, emaciated his own body through observances (niyama) and fasts.

Words meanings summery:

• सः (saḥ) - he, that (masculine)

• अस्मिन् (asmin) - in this (masculine/neuter)

• तीर्थवरे (tīrthavare) - in the best of sacred places, in an excellent tīrtha, in a supreme holy site

• राजन् (rājan) - O King

• सरस्वत्याः (sarasvatyāḥ) - of the Sarasvatī river (of Sarasvatī)

• समाहितः (samāhitaḥ) - concentrated, absorbed, composed, collected

• नियमैः (niyamaiḥ) - by observances, by rules, by self-restraints (niyama)

• च (ca) - and

• उपवासैः (upavāsaiḥ) - by fasts, by abstinences

• च (ca) - and

• कर्शयन् (karśayan) - emaciating, weakening, making thin

• देहम् (deham) - body

• आत्मनः (ātmanaḥ) - of himself, his own (ātman)

Words meanings and morphology

सः (saḥ) - he, that (masculine)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, it

अस्मिन् (asmin) - in this (masculine/neuter)

(pronoun)

Locative, masculine, singular of idam

idam - this, he, she, it

Note: Agrees with tīrthavare

तीर्थवरे (tīrthavare) - in the best of sacred places, in an excellent tīrtha, in a supreme holy site

(noun)

Locative, masculine, singular of tīrthavara

tīrthavara - best of sacred places, excellent tīrtha, supreme holy site

Compound type : tatpuruṣa (tīrtha+vara)

• tīrtha – sacred place, holy bathing place, ford, shrine
  noun (neuter)
• vara – best, excellent, supreme; a boon, a choice
  adjective (masculine)

राजन् (rājan) - O King

(noun)

Vocative, masculine, singular of rājan

rājan - king, sovereign

सरस्वत्याः (sarasvatyāḥ) - of the Sarasvatī river (of Sarasvatī)

(proper noun)

Genitive, feminine, singular of sarasvatī

sarasvatī - Sarasvatī (name of a sacred river; goddess of learning)

समाहितः (samāhitaḥ) - concentrated, absorbed, composed, collected

(adjective)

Nominative, masculine, singular of samāhita

samāhita - concentrated, absorbed, composed, collected, fixed

Past Passive Participle

Derived from root dhā (to place) with prefix sam-ā

Prefixes: sam+ā

Root: dhā (class 3)

Note: Agrees with saḥ

नियमैः (niyamaiḥ) - by observances, by rules, by self-restraints (niyama)

(noun)

Instrumental, masculine, plural of niyama

niyama - observance, rule, restraint, discipline (niyama)

च (ca) - and

(indeclinable)

उपवासैः (upavāsaiḥ) - by fasts, by abstinences

(noun)

Instrumental, masculine, plural of upavāsa

upavāsa - fast, abstinence from food, religious observance of fasting

च (ca) - and

(indeclinable)

कर्शयन् (karśayan) - emaciating, weakening, making thin

(adjective)

Nominative, masculine, singular of karśayant

karśayant - emaciating, weakening, making thin

Present Active Participle (causative)

Derived from causative of root kṛś (to be thin)

Root: kṛś (class 4)

Note: Agrees with saḥ

देहम् (deham) - body

(noun)

Accusative, masculine, singular of deha

deha - body, corporeal form

आत्मनः (ātmanaḥ) - of himself, his own (ātman)

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, spirit, the individual consciousness (ātman)