Declension table of ?prasannateyu

Masculine	Singular	Dual	Plural
Nominative	prasannateyuḥ	prasannateyū	prasannateyavaḥ
Vocative	prasannateyo	prasannateyū	prasannateyavaḥ
Accusative	prasannateyum	prasannateyū	prasannateyūn
Instrumental	prasannateyunā	prasannateyubhyām	prasannateyubhiḥ
Dative	prasannateyave	prasannateyubhyām	prasannateyubhyaḥ
Ablative	prasannateyoḥ	prasannateyubhyām	prasannateyubhyaḥ
Genitive	prasannateyoḥ	prasannateyvoḥ	prasannateyūnām
Locative	prasannateyau	prasannateyvoḥ	prasannateyuṣu

Compound prasannateyu -

Adverb -prasannateyu