Declension table of ?āttasva

Masculine	Singular	Dual	Plural
Nominative	āttasvaḥ	āttasvau	āttasvāḥ
Vocative	āttasva	āttasvau	āttasvāḥ
Accusative	āttasvam	āttasvau	āttasvān
Instrumental	āttasvena	āttasvābhyām	āttasvaiḥ āttasvebhiḥ
Dative	āttasvāya	āttasvābhyām	āttasvebhyaḥ
Ablative	āttasvāt	āttasvābhyām	āttasvebhyaḥ
Genitive	āttasvasya	āttasvayoḥ	āttasvānām
Locative	āttasve	āttasvayoḥ	āttasveṣu

Compound āttasva -

Adverb -āttasvam -āttasvāt