Declension table of ?vimatta

Neuter	Singular	Dual	Plural
Nominative	vimattam	vimatte	vimattāni
Vocative	vimatta	vimatte	vimattāni
Accusative	vimattam	vimatte	vimattāni
Instrumental	vimattena	vimattābhyām	vimattaiḥ
Dative	vimattāya	vimattābhyām	vimattebhyaḥ
Ablative	vimattāt	vimattābhyām	vimattebhyaḥ
Genitive	vimattasya	vimattayoḥ	vimattānām
Locative	vimatte	vimattayoḥ	vimatteṣu

Compound vimatta -

Adverb -vimattam -vimattāt