Declension table of ?dāvya

Masculine	Singular	Dual	Plural
Nominative	dāvyaḥ	dāvyau	dāvyāḥ
Vocative	dāvya	dāvyau	dāvyāḥ
Accusative	dāvyam	dāvyau	dāvyān
Instrumental	dāvyena	dāvyābhyām	dāvyaiḥ dāvyebhiḥ
Dative	dāvyāya	dāvyābhyām	dāvyebhyaḥ
Ablative	dāvyāt	dāvyābhyām	dāvyebhyaḥ
Genitive	dāvyasya	dāvyayoḥ	dāvyānām
Locative	dāvye	dāvyayoḥ	dāvyeṣu

Compound dāvya -

Adverb -dāvyam -dāvyāt