Declension table of pitṛvat

Masculine	Singular	Dual	Plural
Nominative	pitṛvān	pitṛvantau	pitṛvantaḥ
Vocative	pitṛvan	pitṛvantau	pitṛvantaḥ
Accusative	pitṛvantam	pitṛvantau	pitṛvataḥ
Instrumental	pitṛvatā	pitṛvadbhyām	pitṛvadbhiḥ
Dative	pitṛvate	pitṛvadbhyām	pitṛvadbhyaḥ
Ablative	pitṛvataḥ	pitṛvadbhyām	pitṛvadbhyaḥ
Genitive	pitṛvataḥ	pitṛvatoḥ	pitṛvatām
Locative	pitṛvati	pitṛvatoḥ	pitṛvatsu

Compound pitṛvat -

Adverb -pitṛvantam