Declension table of ?glastavat

Masculine	Singular	Dual	Plural
Nominative	glastavān	glastavantau	glastavantaḥ
Vocative	glastavan	glastavantau	glastavantaḥ
Accusative	glastavantam	glastavantau	glastavataḥ
Instrumental	glastavatā	glastavadbhyām	glastavadbhiḥ
Dative	glastavate	glastavadbhyām	glastavadbhyaḥ
Ablative	glastavataḥ	glastavadbhyām	glastavadbhyaḥ
Genitive	glastavataḥ	glastavatoḥ	glastavatām
Locative	glastavati	glastavatoḥ	glastavatsu

Compound glastavat -

Adverb -glastavantam