Declension table of ?prātarvastṛ

Neuter	Singular	Dual	Plural
Nominative	prātarvastṛ	prātarvastṛṇī	prātarvastṝṇi
Vocative	prātarvastṛ	prātarvastṛṇī	prātarvastṝṇi
Accusative	prātarvastṛ	prātarvastṛṇī	prātarvastṝṇi
Instrumental	prātarvastṛṇā	prātarvastṛbhyām	prātarvastṛbhiḥ
Dative	prātarvastṛṇe	prātarvastṛbhyām	prātarvastṛbhyaḥ
Ablative	prātarvastṛṇaḥ	prātarvastṛbhyām	prātarvastṛbhyaḥ
Genitive	prātarvastṛṇaḥ	prātarvastṛṇoḥ	prātarvastṝṇām
Locative	prātarvastṛṇi	prātarvastṛṇoḥ	prātarvastṛṣu

Compound prātarvastṛ -

Adverb -prātarvastṛ