महाभारतः mahābhārataḥ - book-12, chapter-193, verse-18

निश्चेष्टाभ्यां शरीराभ्यां स्थिरदृष्टी समाहितौ ।
जितासनौ तथाधाय मूर्धन्यात्मानमेव च ॥१८॥

18. niśceṣṭābhyāṁ śarīrābhyāṁ sthiradṛṣṭī samāhitau ,
jitāsanau tathādhāya mūrdhanyātmānameva ca.

18. niśceṣṭābhyām śarīrābhyām sthiradṛṣṭī samāhitau
jitāsanau tathā ādhāya mūrdhani ātmānam eva ca

18. sthiradṛṣṭī samāhitau jitāsanau niśceṣṭābhyām
śarīrābhyām tathā ātmānam mūrdhani eva ca ādhāya

18. They, with steady gaze, composed, and having mastered their postures, having rendered their two bodies motionless, then placed the self (ātman) on the crown of the head.

Words meanings summery:

• निश्चेष्टाभ्याम् (niśceṣṭābhyām) - with their two motionless bodies (with two motionless)

• शरीराभ्याम् (śarīrābhyām) - with two bodies

• स्थिरदृष्टी (sthiradṛṣṭī) - the two yogis with steady gaze ((two) with steady gaze)

• समाहितौ (samāhitau) - the two yogis who were composed ((two) composed, concentrated)

• जितासनौ (jitāsanau) - the two yogis who have mastered their postures ((two) who have conquered their posture)

• तथा (tathā) - thus, so, then

• आधाय (ādhāya) - having placed, having put

• मूर्धनि (mūrdhani) - on the head, on the crown

• आत्मानम् (ātmānam) - the self, soul (ātman)

• एव (eva) - only, just, indeed

• च (ca) - and, also

Words meanings and morphology

निश्चेष्टाभ्याम् (niśceṣṭābhyām) - with their two motionless bodies (with two motionless)

(adjective)

Instrumental, neuter, dual of niśceṣṭa

niśceṣṭa - motionless, inert, without effort

Compound type : bahuvrīhi (nis+ceṣṭā)

• nis – without, free from, out
  indeclinable
• ceṣṭā – motion, effort, activity
  noun (feminine)

शरीराभ्याम् (śarīrābhyām) - with two bodies

(noun)

Instrumental, neuter, dual of śarīra

śarīra - body, corporeal frame

स्थिरदृष्टी (sthiradṛṣṭī) - the two yogis with steady gaze ((two) with steady gaze)

(adjective)

Nominative, masculine, dual of sthiradṛṣṭi

sthiradṛṣṭi - one whose gaze is steady, steady-gazed

Compound type : bahuvrīhi (sthira+dṛṣṭi)

• sthira – steady, firm, constant
  adjective (masculine)
• dṛṣṭi – gaze, sight, vision
  noun (feminine)

समाहितौ (samāhitau) - the two yogis who were composed ((two) composed, concentrated)

(adjective)

Nominative, masculine, dual of samāhita

samāhita - composed, concentrated, attentive, absorbed

Past Passive Participle

derived from root dhā (to place, put) with prefixes sam- and ā-

Prefixes: sam+ā

Root: dhā (class 3)

जितासनौ (jitāsanau) - the two yogis who have mastered their postures ((two) who have conquered their posture)

(adjective)

Nominative, masculine, dual of jitāsana

jitāsana - one who has conquered posture, master of posture

Compound type : bahuvrīhi (jita+āsana)

• jita – conquered, won, subdued
  adjective (masculine)
  Past Passive Participle
  derived from root ji (to conquer)
  Root: ji (class 1)
• āsana – sitting, posture, seat
  noun (neuter)

तथा (tathā) - thus, so, then

(indeclinable)

आधाय (ādhāya) - having placed, having put

(indeclinable)

Absolutive (Gerund)

derived from root dhā (to place) with prefix ā-

Prefix: ā

Root: dhā (class 3)

मूर्धनि (mūrdhani) - on the head, on the crown

(noun)

Locative, masculine, singular of mūrdhan

mūrdhan - head, crown, summit, top

आत्मानम् (ātmānam) - the self, soul (ātman)

(noun)

Accusative, masculine, singular of ātman

ātman - self, soul, spirit, essence (ātman)

एव (eva) - only, just, indeed

(indeclinable)

च (ca) - and, also

(indeclinable)