Declension table of ?upāntima

Neuter	Singular	Dual	Plural
Nominative	upāntimam	upāntime	upāntimāni
Vocative	upāntima	upāntime	upāntimāni
Accusative	upāntimam	upāntime	upāntimāni
Instrumental	upāntimena	upāntimābhyām	upāntimaiḥ
Dative	upāntimāya	upāntimābhyām	upāntimebhyaḥ
Ablative	upāntimāt	upāntimābhyām	upāntimebhyaḥ
Genitive	upāntimasya	upāntimayoḥ	upāntimānām
Locative	upāntime	upāntimayoḥ	upāntimeṣu

Compound upāntima -

Adverb -upāntimam -upāntimāt