Declension table of apathya

Masculine	Singular	Dual	Plural
Nominative	apathyaḥ	apathyau	apathyāḥ
Vocative	apathya	apathyau	apathyāḥ
Accusative	apathyam	apathyau	apathyān
Instrumental	apathyena	apathyābhyām	apathyaiḥ apathyebhiḥ
Dative	apathyāya	apathyābhyām	apathyebhyaḥ
Ablative	apathyāt	apathyābhyām	apathyebhyaḥ
Genitive	apathyasya	apathyayoḥ	apathyānām
Locative	apathye	apathyayoḥ	apathyeṣu

Compound apathya -

Adverb -apathyam -apathyāt