Declension table of ?pīyatnu

Neuter	Singular	Dual	Plural
Nominative	pīyatnu	pīyatnunī	pīyatnūni
Vocative	pīyatnu	pīyatnunī	pīyatnūni
Accusative	pīyatnu	pīyatnunī	pīyatnūni
Instrumental	pīyatnunā	pīyatnubhyām	pīyatnubhiḥ
Dative	pīyatnune	pīyatnubhyām	pīyatnubhyaḥ
Ablative	pīyatnunaḥ	pīyatnubhyām	pīyatnubhyaḥ
Genitive	pīyatnunaḥ	pīyatnunoḥ	pīyatnūnām
Locative	pīyatnuni	pīyatnunoḥ	pīyatnuṣu

Compound pīyatnu -

Adverb -pīyatnu