Declension table of ?pitṛdravya

Neuter	Singular	Dual	Plural
Nominative	pitṛdravyam	pitṛdravye	pitṛdravyāṇi
Vocative	pitṛdravya	pitṛdravye	pitṛdravyāṇi
Accusative	pitṛdravyam	pitṛdravye	pitṛdravyāṇi
Instrumental	pitṛdravyeṇa	pitṛdravyābhyām	pitṛdravyaiḥ
Dative	pitṛdravyāya	pitṛdravyābhyām	pitṛdravyebhyaḥ
Ablative	pitṛdravyāt	pitṛdravyābhyām	pitṛdravyebhyaḥ
Genitive	pitṛdravyasya	pitṛdravyayoḥ	pitṛdravyāṇām
Locative	pitṛdravye	pitṛdravyayoḥ	pitṛdravyeṣu

Compound pitṛdravya -

Adverb -pitṛdravyam -pitṛdravyāt