Declension table of ?trinayana

Neuter	Singular	Dual	Plural
Nominative	trinayanam	trinayane	trinayanāni
Vocative	trinayana	trinayane	trinayanāni
Accusative	trinayanam	trinayane	trinayanāni
Instrumental	trinayanena	trinayanābhyām	trinayanaiḥ
Dative	trinayanāya	trinayanābhyām	trinayanebhyaḥ
Ablative	trinayanāt	trinayanābhyām	trinayanebhyaḥ
Genitive	trinayanasya	trinayanayoḥ	trinayanānām
Locative	trinayane	trinayanayoḥ	trinayaneṣu

Compound trinayana -

Adverb -trinayanam -trinayanāt