वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-7, chapter-30, verse-12

तस्मिंश्चेदसमाप्ते तु जप्यहोमे विभावसोः ।
युध्येयं देव संग्रामे तदा मे स्याद्विनाशनम् ॥१२॥

12. tasmiṃścedasamāpte tu japyahome vibhāvasoḥ ,
yudhyeyaṃ deva saṃgrāme tadā me syādvināśanam.

12. tasmin cet asamāpte tu japyahome vibhāvasoḥ
yudhyeyam deva saṃgrāme tadā me syāt vināśanam

12. deva cet vibhāvasoḥ tasmin asamāpte japyahome
tu saṃgrāme yudhyeyam tadā me vināśanam syāt

12. O god (deva), if I were to fight in battle while that muttered Vedic fire ritual (japyahoma) for the fire deity (vibhāvasu) remains unfinished, then my destruction would certainly occur.

Words meanings summery:

• तस्मिन् (tasmin) - in that, on that (masculine/neuter)

• चेत् (cet) - if

• असमाप्ते (asamāpte) - while the ritual is incomplete (unfinished, incomplete, not completed)

• तु (tu) - but, indeed, however, on the other hand

• जप्यहोमे (japyahome) - in the Vedic fire ritual involving muttering prayers (in the muttered offering/ritual)

• विभावसोः (vibhāvasoḥ) - of the fire deity (of the sun, of fire (an epithet of Agni or Surya))

• युध्येयम् (yudhyeyam) - I might fight, I would fight

• देव (deva) - O god, O divine one

• संग्रामे (saṁgrāme) - in battle, in war

• तदा (tadā) - then, at that time

• मे (me) - my, mine, to me

• स्यात् (syāt) - may be, would be, should be

• विनाशनम् (vināśanam) - destruction, ruin, annihilation

Words meanings and morphology

तस्मिन् (tasmin) - in that, on that (masculine/neuter)

(pronoun)

Locative, masculine, singular of tad

tad - that, he, she, it

चेत् (cet) - if

(indeclinable)

असमाप्ते (asamāpte) - while the ritual is incomplete (unfinished, incomplete, not completed)

(adjective)

Locative, masculine, singular of asamāpta

asamāpta - unfinished, incomplete, not completed

Past Passive Participle (negative)

Compound of 'a' (negation) and samāpta (completed)

Compound type : nañ-tatpuruṣa (a+samāpta)

• a – not, un- (negative prefix)
  prefix
• samāpta – completed, finished, concluded
  adjective (neuter)
  Past Passive Participle
  From sam-āp (to obtain, complete) + kta suffix
  Prefix: sam
  Root: āp (class 5)

तु (tu) - but, indeed, however, on the other hand

(indeclinable)

जप्यहोमे (japyahome) - in the Vedic fire ritual involving muttering prayers (in the muttered offering/ritual)

(noun)

Locative, masculine, singular of japyahoma

japyahoma - a Vedic fire ritual accompanied by muttering prayers

Compound type : karmadhāraya (japya+homa)

• japya – to be muttered, to be recited softly
  adjective (neuter)
  Gerundive
  From root jap (to mutter, recite) + ya suffix
  Root: jap (class 1)
• homa – Vedic fire ritual, oblation, offering into fire
  noun (masculine)
  action noun
  From root hu (to offer, sacrifice) + ghañ suffix
  Root: hu (class 3)

विभावसोः (vibhāvasoḥ) - of the fire deity (of the sun, of fire (an epithet of Agni or Surya))

(noun)

Genitive, masculine, singular of vibhāvasu

vibhāvasu - sun, fire, moon, or any luminous object

युध्येयम् (yudhyeyam) - I might fight, I would fight

(verb)

1st person , singular, middle, optative (liṅ) of yudh

Root: yudh (class 4)

देव (deva) - O god, O divine one

(noun)

Vocative, masculine, singular of deva

deva - god, deity, divine

संग्रामे (saṁgrāme) - in battle, in war

(noun)

Locative, masculine, singular of saṃgrāma

saṁgrāma - battle, war, conflict

तदा (tadā) - then, at that time

(indeclinable)

मे (me) - my, mine, to me

(pronoun)

Genitive, singular of aham

aham - I, me

स्यात् (syāt) - may be, would be, should be

(verb)

3rd person , singular, active, optative (liṅ) of as

Root: as (class 2)

विनाशनम् (vināśanam) - destruction, ruin, annihilation

(noun)

Nominative, neuter, singular of vināśana

vināśana - destruction, ruin, annihilation

action noun

From vi-naś (to perish, destroy) + ana suffix

Prefix: vi

Root: naś (class 4)