वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-37, verse-15

अप्यर्कमपि पर्जन्यमपि वैवस्वतं यमम् ।
स हि सोढुं रणे शक्तस्तवहेतोर्विशेषतः ॥१५॥

15. apyarkamapi parjanyamapi vaivasvataṃ yamam ,
sa hi soḍhuṃ raṇe śaktastavahetorviśeṣataḥ.

15. api arkam api parjanyam api vaivasvatam yamam
saḥ hi soḍhum raṇe śaktaḥ tavahetoḥ viśeṣataḥ

15. saḥ hi raṇe api arkam api parjanyam api vaivasvatam
yamam ca soḍhum śaktaḥ tavahetoḥ viśeṣataḥ

15. Indeed, he is capable of enduring even the Sun, even Parjanya (the rain god), and even Yama, the son of Vivasvat, in battle, especially for your sake.

Words meanings summery:

• अपि (api) - even, also, too

• अर्कम् (arkam) - the Sun

• अपि (api) - even, also, too

• पर्जन्यम् (parjanyam) - the rain god, cloud

• अपि (api) - even, also, too

• वैवस्वतम् (vaivasvatam) - son of Vivasvat (epithet of Yama)

• यमम् (yamam) - Yama, the god of death

• सः (saḥ) - Rāma (he)

• हि (hi) - indeed, surely, for

• सोढुम् (soḍhum) - to endure, to bear, to withstand

• रणे (raṇe) - in battle, in fight

• शक्तः (śaktaḥ) - capable, able, mighty

• तवहेतोः (tavahetoḥ) - for Sītā's sake (for your sake, on your account)

• विशेषतः (viśeṣataḥ) - especially, particularly, distinctively

Words meanings and morphology

अपि (api) - even, also, too

(indeclinable)

Note: Used for emphasis, 'even X, even Y, even Z'.

अर्कम् (arkam) - the Sun

(noun)

Accusative, masculine, singular of arka

arka - Sun, ray, flash, praise, hymn

Root: arc (class 1)

अपि (api) - even, also, too

(indeclinable)

पर्जन्यम् (parjanyam) - the rain god, cloud

(proper noun)

Accusative, masculine, singular of parjanya

parjanya - rain-cloud, the god of rain

Root: pṛj (class 7)

अपि (api) - even, also, too

(indeclinable)

वैवस्वतम् (vaivasvatam) - son of Vivasvat (epithet of Yama)

(adjective)

Accusative, masculine, singular of vaivasvata

vaivasvata - son of Vivasvat, relating to Vivasvat; an epithet of Yama

Derived from Vivasvat (Sun god) with -a suffix (patronymic)

Note: Modifies Yama.

यमम् (yamam) - Yama, the god of death

(proper noun)

Accusative, masculine, singular of yama

yama - Yama, god of death; restraint

Root: yam (class 1)

सः (saḥ) - Rāma (he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, this, he, she, it

Note: Refers to Rāma.

हि (hi) - indeed, surely, for

(indeclinable)

Note: Emphatic particle.

सोढुम् (soḍhum) - to endure, to bear, to withstand

(indeclinable)

infinitive

Derived from root sah (to endure) with suffix -tum

Root: sah (class 1)

रणे (raṇe) - in battle, in fight

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, war, combat

Root: raṇ (class 1)

शक्तः (śaktaḥ) - capable, able, mighty

(adjective)

Nominative, masculine, singular of śakta

śakta - able, capable, mighty, strong

past passive participle

Derived from root śak (to be able)

Root: śak (class 5)

Note: Agrees with 'saḥ'.

तवहेतोः (tavahetoḥ) - for Sītā's sake (for your sake, on your account)

(indeclinable)

Compound formed with genitive of 'tvam' (tava) and 'hetu' (cause) with ablative suffix.

Compound type : ṣaṣṭhī-tatpuruṣa (tava+hetu)

• tvam – you
  pronoun
• hetu – cause, reason, motive
  noun (masculine)
  Root: hi (class 3)

Note: Ablative usage implying 'because of you'.

विशेषतः (viśeṣataḥ) - especially, particularly, distinctively

(indeclinable)

Derived from 'viśeṣa' (distinction, specialty) with suffix -tas