Declension table of ?mātratraya

Neuter	Singular	Dual	Plural
Nominative	mātratrayam	mātratraye	mātratrayāṇi
Vocative	mātratraya	mātratraye	mātratrayāṇi
Accusative	mātratrayam	mātratraye	mātratrayāṇi
Instrumental	mātratrayeṇa	mātratrayābhyām	mātratrayaiḥ
Dative	mātratrayāya	mātratrayābhyām	mātratrayebhyaḥ
Ablative	mātratrayāt	mātratrayābhyām	mātratrayebhyaḥ
Genitive	mātratrayasya	mātratrayayoḥ	mātratrayāṇām
Locative	mātratraye	mātratrayayoḥ	mātratrayeṣu

Compound mātratraya -

Adverb -mātratrayam -mātratrayāt