Declension table of ?kusumya

Neuter	Singular	Dual	Plural
Nominative	kusumyam	kusumye	kusumyāni
Vocative	kusumya	kusumye	kusumyāni
Accusative	kusumyam	kusumye	kusumyāni
Instrumental	kusumyena	kusumyābhyām	kusumyaiḥ
Dative	kusumyāya	kusumyābhyām	kusumyebhyaḥ
Ablative	kusumyāt	kusumyābhyām	kusumyebhyaḥ
Genitive	kusumyasya	kusumyayoḥ	kusumyānām
Locative	kusumye	kusumyayoḥ	kusumyeṣu

Compound kusumya -

Adverb -kusumyam -kusumyāt