Declension table of ?tribhava

Neuter	Singular	Dual	Plural
Nominative	tribhavam	tribhave	tribhavāṇi
Vocative	tribhava	tribhave	tribhavāṇi
Accusative	tribhavam	tribhave	tribhavāṇi
Instrumental	tribhaveṇa	tribhavābhyām	tribhavaiḥ
Dative	tribhavāya	tribhavābhyām	tribhavebhyaḥ
Ablative	tribhavāt	tribhavābhyām	tribhavebhyaḥ
Genitive	tribhavasya	tribhavayoḥ	tribhavāṇām
Locative	tribhave	tribhavayoḥ	tribhaveṣu

Compound tribhava -

Adverb -tribhavam -tribhavāt