Declension table of ?ātava

Masculine	Singular	Dual	Plural
Nominative	ātavaḥ	ātavau	ātavāḥ
Vocative	ātava	ātavau	ātavāḥ
Accusative	ātavam	ātavau	ātavān
Instrumental	ātavena	ātavābhyām	ātavaiḥ ātavebhiḥ
Dative	ātavāya	ātavābhyām	ātavebhyaḥ
Ablative	ātavāt	ātavābhyām	ātavebhyaḥ
Genitive	ātavasya	ātavayoḥ	ātavānām
Locative	ātave	ātavayoḥ	ātaveṣu

Compound ātava -

Adverb -ātavam -ātavāt