Declension table of ?prayatavastra

Neuter	Singular	Dual	Plural
Nominative	prayatavastram	prayatavastre	prayatavastrāṇi
Vocative	prayatavastra	prayatavastre	prayatavastrāṇi
Accusative	prayatavastram	prayatavastre	prayatavastrāṇi
Instrumental	prayatavastreṇa	prayatavastrābhyām	prayatavastraiḥ
Dative	prayatavastrāya	prayatavastrābhyām	prayatavastrebhyaḥ
Ablative	prayatavastrāt	prayatavastrābhyām	prayatavastrebhyaḥ
Genitive	prayatavastrasya	prayatavastrayoḥ	prayatavastrāṇām
Locative	prayatavastre	prayatavastrayoḥ	prayatavastreṣu

Compound prayatavastra -

Adverb -prayatavastram -prayatavastrāt