Declension table of ?pitṛmat

Masculine	Singular	Dual	Plural
Nominative	pitṛmān	pitṛmantau	pitṛmantaḥ
Vocative	pitṛman	pitṛmantau	pitṛmantaḥ
Accusative	pitṛmantam	pitṛmantau	pitṛmataḥ
Instrumental	pitṛmatā	pitṛmadbhyām	pitṛmadbhiḥ
Dative	pitṛmate	pitṛmadbhyām	pitṛmadbhyaḥ
Ablative	pitṛmataḥ	pitṛmadbhyām	pitṛmadbhyaḥ
Genitive	pitṛmataḥ	pitṛmatoḥ	pitṛmatām
Locative	pitṛmati	pitṛmatoḥ	pitṛmatsu

Compound pitṛmat -

Adverb -pitṛmantam