Declension table of ?apāsu

Masculine	Singular	Dual	Plural
Nominative	apāsuḥ	apāsū	apāsavaḥ
Vocative	apāso	apāsū	apāsavaḥ
Accusative	apāsum	apāsū	apāsūn
Instrumental	apāsunā	apāsubhyām	apāsubhiḥ
Dative	apāsave	apāsubhyām	apāsubhyaḥ
Ablative	apāsoḥ	apāsubhyām	apāsubhyaḥ
Genitive	apāsoḥ	apāsvoḥ	apāsūnām
Locative	apāsau	apāsvoḥ	apāsuṣu

Compound apāsu -

Adverb -apāsu