Declension table of ?traividhya

Neuter	Singular	Dual	Plural
Nominative	traividhyam	traividhye	traividhyāni
Vocative	traividhya	traividhye	traividhyāni
Accusative	traividhyam	traividhye	traividhyāni
Instrumental	traividhyena	traividhyābhyām	traividhyaiḥ
Dative	traividhyāya	traividhyābhyām	traividhyebhyaḥ
Ablative	traividhyāt	traividhyābhyām	traividhyebhyaḥ
Genitive	traividhyasya	traividhyayoḥ	traividhyānām
Locative	traividhye	traividhyayoḥ	traividhyeṣu

Compound traividhya -

Adverb -traividhyam -traividhyāt