Declension table of ?manasyu

Masculine	Singular	Dual	Plural
Nominative	manasyuḥ	manasyū	manasyavaḥ
Vocative	manasyo	manasyū	manasyavaḥ
Accusative	manasyum	manasyū	manasyūn
Instrumental	manasyunā	manasyubhyām	manasyubhiḥ
Dative	manasyave	manasyubhyām	manasyubhyaḥ
Ablative	manasyoḥ	manasyubhyām	manasyubhyaḥ
Genitive	manasyoḥ	manasyvoḥ	manasyūnām
Locative	manasyau	manasyvoḥ	manasyuṣu

Compound manasyu -

Adverb -manasyu