महाभारतः mahābhārataḥ - book-3, chapter-88, verse-15

अपि चात्र महाराज स्वयं विश्वावसुर्जगौ ।
इमं श्लोकं तदा वीर प्रेक्ष्य वीर्यं महात्मनः ॥१५॥

15. api cātra mahārāja svayaṁ viśvāvasurjagau ,
imaṁ ślokaṁ tadā vīra prekṣya vīryaṁ mahātmanaḥ.

15. api ca atra mahārāja svayam viśvāvasuḥ jagau
imam ślokam tadā vīra prekṣya vīryam mahātmanaḥ

15. Moreover, O great king, Viśvāvasu himself sang this verse here then, O hero, having observed the prowess of the great soul (mahātman).

Words meanings summery:

• अपि (api) - also, even, moreover, besides

• च (ca) - and, also

• अत्र (atra) - here, in this place

• महाराज (mahārāja) - O great king (vocative) (O great king, great king)

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

• विश्वावसुः (viśvāvasuḥ) - Viśvāvasu (name of a Gandharva)

• जगौ (jagau) - sang, chanted

• इमम् (imam) - this (masc. acc. sg.)

• श्लोकम् (ślokam) - verse, stanza

• तदा (tadā) - then, at that time

• वीर (vīra) - O hero (vocative) (O hero, hero)

• प्रेक्ष्य (prekṣya) - having seen, having observed

• वीर्यम् (vīryam) - prowess, valor, strength, energy

• महात्मनः (mahātmanaḥ) - of the great soul, of the magnanimous one

Words meanings and morphology

अपि (api) - also, even, moreover, besides

(indeclinable)

च (ca) - and, also

(indeclinable)

अत्र (atra) - here, in this place

(indeclinable)

महाराज (mahārāja) - O great king (vocative) (O great king, great king)

(noun)

Vocative, masculine, singular of mahārāja

mahārāja - great king, emperor

Compound type : karmadhāraya (mahā+rājan)

• mahā – great, large
  adjective
• rājan – king, ruler
  noun (masculine)

स्वयम् (svayam) - oneself, by oneself, personally

(indeclinable)

विश्वावसुः (viśvāvasuḥ) - Viśvāvasu (name of a Gandharva)

(proper noun)

Nominative, masculine, singular of viśvāvasu

viśvāvasu - Viśvāvasu (name of a Gandharva)

जगौ (jagau) - sang, chanted

(verb)

3rd person , singular, active, past perfect (liṭ) of gā

Perfect active

From root √gā (class 3, जुहोत्यादिः, though this is perfect, not present stem)

Root: gā (class 3)

इमम् (imam) - this (masc. acc. sg.)

(pronoun)

Accusative, masculine, singular of idam

idam - this

श्लोकम् (ślokam) - verse, stanza

(noun)

Accusative, masculine, singular of śloka

śloka - verse, stanza, fame

Root: śru

तदा (tadā) - then, at that time

(indeclinable)

वीर (vīra) - O hero (vocative) (O hero, hero)

(noun)

Vocative, masculine, singular of vīra

vīra - hero, valiant man

प्रेक्ष्य (prekṣya) - having seen, having observed

(indeclinable)

Absolutive/Gerund

Formed with prefix 'pra' + √īkṣ (to see) + suffix -ya

Prefix: pra

Root: īkṣ (class 1)

वीर्यम् (vīryam) - prowess, valor, strength, energy

(noun)

Accusative, neuter, singular of vīrya

vīrya - prowess, valor, strength, energy

महात्मनः (mahātmanaḥ) - of the great soul, of the magnanimous one

(noun)

Genitive, masculine, singular of mahātman

mahātman - great-souled, magnanimous, noble

Compound type : karmadhāraya (mahā+ātman)

• mahā – great, large
  adjective
• ātman – self, soul, spirit, essence
  noun (masculine)
  Root: an (class 2)

Note: Refers to the great soul (mahātman).