Declension table of ?triyuga

Masculine	Singular	Dual	Plural
Nominative	triyugaḥ	triyugau	triyugāḥ
Vocative	triyuga	triyugau	triyugāḥ
Accusative	triyugam	triyugau	triyugān
Instrumental	triyugeṇa	triyugābhyām	triyugaiḥ triyugebhiḥ
Dative	triyugāya	triyugābhyām	triyugebhyaḥ
Ablative	triyugāt	triyugābhyām	triyugebhyaḥ
Genitive	triyugasya	triyugayoḥ	triyugāṇām
Locative	triyuge	triyugayoḥ	triyugeṣu

Compound triyuga -

Adverb -triyugam -triyugāt