महाभारतः mahābhārataḥ - book-8, chapter-38, verse-11

तत्राद्भुतमपश्याम शिलानां प्लवनं यथा ।
निश्चेष्टो यद्रणे राजञ्शिखण्डी समतिष्ठत ॥११॥

11. tatrādbhutamapaśyāma śilānāṁ plavanaṁ yathā ,
niśceṣṭo yadraṇe rājañśikhaṇḍī samatiṣṭhata.

11. tatra adbhutam apaśyāma śilānām plavanam yathā
niśceṣṭaḥ yat raṇe rājan śikhaṇḍī samatiṣṭhata

11. rājan tatra adbhutam apaśyāma yathā śilānām
plavanam yat śikhaṇḍī raṇe niśceṣṭaḥ samatiṣṭhata

11. O King, it was a wonder we saw there, as if stones were floating, that Shikhandi stood motionless in battle.

Words meanings summery:

• तत्र (tatra) - there, in that situation

• अद्भुतम् (adbhutam) - wonder, amazing thing

• अपश्याम (apaśyāma) - we saw

• शिलानाम् (śilānām) - of stones

• प्लवनम् (plavanam) - floating, swimming

• यथा (yathā) - just as, like

• निश्चेष्टः (niśceṣṭaḥ) - motionless, inactive

• यत् (yat) - that, because, when

• रणे (raṇe) - in battle

• राजन् (rājan) - O King

• शिखण्डी (śikhaṇḍī) - Shikhandi

• समतिष्ठत (samatiṣṭhata) - stood, remained

Words meanings and morphology

तत्र (tatra) - there, in that situation

(indeclinable)

अद्भुतम् (adbhutam) - wonder, amazing thing

(noun)

Accusative, neuter, singular of adbhuta

adbhuta - wonderful, astonishing, a marvel, a wonder

अपश्याम (apaśyāma) - we saw

(verb)

1st person , plural, active, imperfect (Laṅ) of dṛś

Root: dṛś (class 1)

शिलानाम् (śilānām) - of stones

(noun)

Genitive, feminine, plural of śilā

śilā - stone, rock

प्लवनम् (plavanam) - floating, swimming

(noun)

Accusative, neuter, singular of plavana

plavana - floating, swimming, bathing

Derived from root plu (to float, swim)

Root: plu (class 1)

यथा (yathā) - just as, like

(indeclinable)

निश्चेष्टः (niśceṣṭaḥ) - motionless, inactive

(adjective)

Nominative, masculine, singular of niśceṣṭa

niśceṣṭa - motionless, inactive, without effort

Compound type : Bahuvrīhi (nis+ceṣṭa)

• nis – without, out, away from
  indeclinable
• ceṣṭa – motion, movement, effort, action
  noun (masculine)

यत् (yat) - that, because, when

(indeclinable)

Note: Used as a conjunction here.

रणे (raṇe) - in battle

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, war, combat

राजन् (rājan) - O King

(noun)

Vocative, masculine, singular of rājan

rājan - king, sovereign

शिखण्डी (śikhaṇḍī) - Shikhandi

(proper noun)

Nominative, masculine, singular of śikhaṇḍin

śikhaṇḍin - Shikhandi (name of a warrior in Mahabharata)

समतिष्ठत (samatiṣṭhata) - stood, remained

(verb)

3rd person , singular, middle, imperfect (Laṅ) of sthā

Prefix: sam

Root: sthā (class 1)