महाभारतः mahābhārataḥ - book-1, chapter-194, verse-15

यावन्नायाति वार्ष्णेयः कर्षन्यादववाहिनीम् ।
राज्यार्थे पाण्डवेयानां तावदेवाशु विक्रम ॥१५॥

15. yāvannāyāti vārṣṇeyaḥ karṣanyādavavāhinīm ,
rājyārthe pāṇḍaveyānāṁ tāvadevāśu vikrama.

15. yāvat na āyāti vārṣṇeyaḥ karṣan yādavavāhinīm
rājyārthe pāṇḍaveyānām tāvat eva āśu vikrama

15. As long as Vārṣṇeya (Kṛṣṇa) does not arrive, drawing the Yādava army for the sake of the Pāṇḍavas' kingdom, you must attack quickly!

Words meanings summery:

• यावत् (yāvat) - as long as

• न (na) - not

• आयाति (āyāti) - comes, arrives

• वार्ष्णेयः (vārṣṇeyaḥ) - Kṛṣṇa (descendant of Vṛṣṇi)

• कर्षन् (karṣan) - drawing, pulling, dragging

• यादववाहिनीम् (yādavavāhinīm) - the Yādava army

• राज्यार्थे (rājyārthe) - for the sake of the kingdom

• पाण्डवेयानाम् (pāṇḍaveyānām) - of the Pāṇḍavas

• तावत् (tāvat) - then, so long

• एव (eva) - indeed, only, just

• आशु (āśu) - quickly, swiftly

• विक्रम (vikrama) - attack, show valor, stride forth

Words meanings and morphology

यावत् (yāvat) - as long as

(indeclinable)

Note: Sets the temporal condition.

न (na) - not

(indeclinable)

Note: Negates 'āyāti'.

आयाति (āyāti) - comes, arrives

(verb)

3rd person , singular, active, present (laṭ) of ā-yā

Laṭ 3rd person singular Parasmaipada, with prefix ā

Prefix: ā

Root: yā (class 2)

Note: The main verb of the 'yāvat' clause.

वार्ष्णेयः (vārṣṇeyaḥ) - Kṛṣṇa (descendant of Vṛṣṇi)

(proper noun)

Nominative, masculine, singular of vārṣṇeya

vārṣṇeya - descendant of Vṛṣṇi, a name of Kṛṣṇa

patronymic derivative

Note: Subject of 'āyāti'.

कर्षन् (karṣan) - drawing, pulling, dragging

(adjective)

Nominative, masculine, singular of kṛṣ

kṛṣ - to draw, to pull, to drag, to plough

Present Active Participle

from root kṛṣ + śatṛ suffix

Root: kṛṣ (class 1)

Note: Used adverbially to describe Vārṣṇeya's action.

यादववाहिनीम् (yādavavāhinīm) - the Yādava army

(noun)

Accusative, feminine, singular of yādavavāhinī

yādavavāhinī - Yādava army, host of the Yadus

Compound type : tatpuruṣa (yādava+vāhinī)

• yādava – a descendant of Yadu, belonging to the Yadu family
  proper noun (masculine)
  patronymic derivative
• vāhinī – army, host, river
  noun (feminine)
  Root: vah (class 1)

Note: Object of 'karṣan'.

राज्यार्थे (rājyārthe) - for the sake of the kingdom

(noun)

Locative, masculine, singular of rājyārtha

rājyārtha - purpose of kingdom, for the sake of the kingdom

Compound type : tatpuruṣa (rājya+artha)

• rājya – kingdom, sovereignty, kingship
  noun (neuter)
• artha – purpose, object, wealth, meaning, sake
  noun (masculine)

Note: Indicates purpose.

पाण्डवेयानाम् (pāṇḍaveyānām) - of the Pāṇḍavas

(proper noun)

Genitive, masculine, plural of pāṇḍaveya

pāṇḍaveya - descendant of Pāṇḍu, the Pāṇḍavas

descendant suffix

Note: Possessive for 'rājyārthe'.

तावत् (tāvat) - then, so long

(indeclinable)

Note: Correlative to 'yāvat'.

एव (eva) - indeed, only, just

(indeclinable)

Note: Emphatic particle.

आशु (āśu) - quickly, swiftly

(indeclinable)

Note: Modifies 'vikrama'.

विक्रम (vikrama) - attack, show valor, stride forth

(verb)

2nd person , singular, middle, imperative (loṭ) of vikram

Lōṭ 2nd person singular Ātmanepada

Prefix: vi

Root: kram (class 1)

Note: Addressed to the listener (likely Duryodhana).