महाभारतः mahābhārataḥ - book-9, chapter-62, verse-63

राज्ञस्त्वन्धस्य वृद्धस्य हतपुत्रस्य केशव ।
त्वं गतिः सह तैर्वीरैः पाण्डवैर्द्विपदां वर ॥६३॥

63. rājñastvandhasya vṛddhasya hataputrasya keśava ,
tvaṁ gatiḥ saha tairvīraiḥ pāṇḍavairdvipadāṁ vara.

63. rājñaḥ tu andhasya vṛddhasya hata-putrasya keśava
tvam gatiḥ saha taiḥ vīraiḥ pāṇḍavaiḥ dvi-padām vara

63. keśava,
dvi-padām vara,
andhasya vṛddhasya hata-putrasya rājñaḥ tu taiḥ vīraiḥ pāṇḍavaiḥ saha tvam gatiḥ.

63. But for the blind, aged king (rājñaḥ) whose sons have been slain, O Keshava, you are the refuge (gati), along with those brave Pāṇḍavas, O best among men (dvipadām vara).

Words meanings summery:

• राज्ञः (rājñaḥ) - referring to Dhritarashtra (of the king)

• तु (tu) - but, indeed, however

• अन्धस्य (andhasya) - referring to Dhritarashtra, who was blind (of the blind one)

• वृद्धस्य (vṛddhasya) - referring to Dhritarashtra, who was old (of the old one, of the aged one)

• हत-पुत्रस्य (hata-putrasya) - referring to Dhritarashtra, whose sons (Kauravas) were killed in the war (of the one whose sons are slain)

• केशव (keśava) - addressing Kṛṣṇa (O Keshava (name of Kṛṣṇa))

• त्वम् (tvam) - referring to Kṛṣṇa (you)

• गतिः (gatiḥ) - refuge, resort, way, destination, movement

• सह (saha) - with, along with

• तैः (taiḥ) - referring to the Pandavas (by them, with them (masculine))

• वीरैः (vīraiḥ) - referring to the Pandavas (by the brave ones, by the heroes)

• पाण्डवैः (pāṇḍavaiḥ) - referring to the five sons of Pandu (by the Pandavas)

• द्वि-पदाम् (dvi-padām) - among two-footed beings, among men

• वर (vara) - addressing Kṛṣṇa (O best, O excellent one)

Words meanings and morphology

राज्ञः (rājñaḥ) - referring to Dhritarashtra (of the king)

(noun)

Genitive, masculine, singular of rājan

rājan - king, ruler

Root: rāj (class 1)

तु (tu) - but, indeed, however

(indeclinable)

particle

अन्धस्य (andhasya) - referring to Dhritarashtra, who was blind (of the blind one)

(adjective)

Genitive, masculine, singular of andha

andha - blind

वृद्धस्य (vṛddhasya) - referring to Dhritarashtra, who was old (of the old one, of the aged one)

(participle)

Genitive, masculine, singular of vṛddha

vṛddha - old, aged, grown, increased

past passive participle

from root vṛdh "to grow"

Root: vṛdh (class 1)

हत-पुत्रस्य (hata-putrasya) - referring to Dhritarashtra, whose sons (Kauravas) were killed in the war (of the one whose sons are slain)

(adjective)

Genitive, masculine, singular of hata-putra

hata-putra - one whose sons are slain/killed

Compound type : bahuvrīhi (hata+putra)

• hata – slain, killed, destroyed
  participle (masculine)
  past passive participle
  from root han "to strike, kill"
  Root: han (class 2)
• putra – son, child
  noun (masculine)

Note: Modifies 'rājñaḥ'.

केशव (keśava) - addressing Kṛṣṇa (O Keshava (name of Kṛṣṇa))

(proper noun)

Vocative, masculine, singular of keśava

keśava - Keshava, an epithet of Vishnu/Kṛṣṇa (meaning "having fine hair" or "slayer of the demon Keśī")

त्वम् (tvam) - referring to Kṛṣṇa (you)

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

2nd person pronoun

गतिः (gatiḥ) - refuge, resort, way, destination, movement

(noun)

Nominative, feminine, singular of gati

gati - going, movement, path, refuge, resort, state

from root gam "to go"

Root: gam (class 1)

सह (saha) - with, along with

(indeclinable)

preposition governing instrumental case

तैः (taiḥ) - referring to the Pandavas (by them, with them (masculine))

(pronoun)

Instrumental, masculine, plural of tad

tad - that, those

demonstrative pronoun

वीरैः (vīraiḥ) - referring to the Pandavas (by the brave ones, by the heroes)

(adjective)

Instrumental, masculine, plural of vīra

vīra - hero, brave, valiant

पाण्डवैः (pāṇḍavaiḥ) - referring to the five sons of Pandu (by the Pandavas)

(proper noun)

Instrumental, masculine, plural of pāṇḍava

pāṇḍava - Pandava, descendant of Pandu (Yudhiṣṭhira, Bhīma, Arjuna, Nakula, Sahadeva)

derivative from Paṇḍu

द्वि-पदाम् (dvi-padām) - among two-footed beings, among men

(noun)

Genitive, masculine, plural of dvi-pad

dvi-pad - two-footed, biped, man, human being

Compound type : karmadhāraya (dvi+pad)

• dvi – two
  numeral
• pad – foot
  noun (masculine)
  Root: pad (class 4)

Note: Expresses "among" - part of a superlative phrase.

वर (vara) - addressing Kṛṣṇa (O best, O excellent one)

(adjective)

Vocative, masculine, singular of vara

vara - best, excellent, choice, boon

Root: vṛ (class 9)