Declension table of ?gacchaya

Masculine	Singular	Dual	Plural
Nominative	gacchayaḥ	gacchayau	gacchayāḥ
Vocative	gacchaya	gacchayau	gacchayāḥ
Accusative	gacchayam	gacchayau	gacchayān
Instrumental	gacchayena	gacchayābhyām	gacchayaiḥ gacchayebhiḥ
Dative	gacchayāya	gacchayābhyām	gacchayebhyaḥ
Ablative	gacchayāt	gacchayābhyām	gacchayebhyaḥ
Genitive	gacchayasya	gacchayayoḥ	gacchayānām
Locative	gacchaye	gacchayayoḥ	gacchayeṣu

Compound gacchaya -

Adverb -gacchayam -gacchayāt