महाभारतः mahābhārataḥ - book-8, chapter-54, verse-20

आशास्तारः कर्म चाप्युत्तमं वा तन्मे देवाः केवलं साधयन्तु ।
आयात्विहाद्यार्जुनः शत्रुघाती शक्रस्तूर्णं यज्ञ इवोपहूतः ॥२०॥

20. āśāstāraḥ karma cāpyuttamaṁ vā; tanme devāḥ kevalaṁ sādhayantu ,
āyātvihādyārjunaḥ śatrughātī; śakrastūrṇaṁ yajña ivopahūtaḥ.

20. āśāstāraḥ karma ca api uttamam vā
tat me devāḥ kevalam sādhayantu
āyātu iha adya arjunaḥ śatrughātī
śakraḥ tūrṇam yajñe iva upahūtaḥ

20. May the gods fulfill for me that excellent deed or wish that I desire. Let Arjuna, the slayer of enemies, come here today, quickly like Indra, who is invited to a Vedic ritual (yajña).

Words meanings summery:

• आशास्तारः (āśāstāraḥ) - wishes (neuter, plural, nominative), or 'those who wish' (masculine, plural, nominative) (wishers, those who desire; wishes)

• कर्म (karma) - deed, action, work

• च (ca) - and, also

• अपि (api) - also, even, too

• उत्तमम् (uttamam) - excellent, best, highest

• वा (vā) - or, either

• तत् (tat) - that, it

• मे (me) - for me, to me, my

• देवाः (devāḥ) - gods

• केवलम् (kevalam) - only, merely, solely; exclusively

• साधयन्तु (sādhayantu) - may they accomplish, may they fulfill

• आयातु (āyātu) - let him come

• इह (iha) - here, in this world

• अद्य (adya) - today, now

• अर्जुनः (arjunaḥ) - Arjuna (proper noun)

• शत्रुघाती (śatrughātī) - slayer of enemies

• शक्रः (śakraḥ) - Indra (name of the god)

• तूर्णम् (tūrṇam) - quickly, swiftly

• यज्ञे (yajñe) - in a Vedic ritual

• इव (iva) - like, as, as if

• उपहूतः (upahūtaḥ) - invited, called

Words meanings and morphology

आशास्तारः (āśāstāraḥ) - wishes (neuter, plural, nominative), or 'those who wish' (masculine, plural, nominative) (wishers, those who desire; wishes)

(noun)

Nominative, masculine, plural of āśāstar

āśāstar - wisher, demander, one who desires

root śās (to wish, desire) with prefix ā

Prefix: ā

Root: śās (class 2)

कर्म (karma) - deed, action, work

(noun)

Nominative, neuter, singular of karman

karman - action, deed, work, ritual, consequence of actions (karma)

Root: kṛ (class 8)

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

उत्तमम् (uttamam) - excellent, best, highest

(adjective)

Nominative, neuter, singular of uttama

uttama - highest, best, excellent, principal

वा (vā) - or, either

(indeclinable)

तत् (tat) - that, it

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

मे (me) - for me, to me, my

(pronoun)

Dative, singular of mad

mad - I

देवाः (devāḥ) - gods

(noun)

Nominative, masculine, plural of deva

deva - god, divine being, deity

Root: div (class 4)

केवलम् (kevalam) - only, merely, solely; exclusively

(adjective)

Nominative, neuter, singular of kevala

kevala - alone, solitary, mere, exclusive, complete

साधयन्तु (sādhayantu) - may they accomplish, may they fulfill

(verb)

3rd person , plural, active, imperative (loṭ) of sādh

root sādh, class 10 (causative of sādh), imperative, active voice, 3rd person plural

Root: sādh (class 10)

आयातु (āyātu) - let him come

(verb)

3rd person , singular, active, imperative (loṭ) of āyā

prefix ā + root yā (to go), imperative, active voice, 3rd person singular

Prefix: ā

Root: yā (class 2)

इह (iha) - here, in this world

(indeclinable)

अद्य (adya) - today, now

(indeclinable)

अर्जुनः (arjunaḥ) - Arjuna (proper noun)

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna (name of a Pandava prince), white, clear

शत्रुघाती (śatrughātī) - slayer of enemies

(adjective)

Nominative, masculine, singular of śatrughātin

śatrughātin - enemy-slayer

Compound type : tatpuruṣa (śatru+ghātin)

• śatru – enemy, foe, rival
  noun (masculine)
• ghātin – killing, slayer, destroyer
  adjective (masculine)
  agent noun/adjective from root han (to strike/kill)
  From the causative stem ghātī
  Root: han (class 2)

शक्रः (śakraḥ) - Indra (name of the god)

(proper noun)

Nominative, masculine, singular of śakra

śakra - Indra (epithet and name of the king of gods), mighty, powerful

तूर्णम् (tūrṇam) - quickly, swiftly

(indeclinable)

past passive participle (used as adverb)

root tvar (to hasten)

Root: tvar (class 1)

यज्ञे (yajñe) - in a Vedic ritual

(noun)

Locative, masculine, singular of yajña

yajña - Vedic ritual, offering, worship

Root: yaj (class 1)

इव (iva) - like, as, as if

(indeclinable)

उपहूतः (upahūtaḥ) - invited, called

(adjective)

Nominative, masculine, singular of upahūta

upahūta - invited, summoned, called near

past passive participle

prefix upa + root hve (to call)

Prefix: upa

Root: hve (class 1)