Declension table of ?hārṣṭeya

Masculine	Singular	Dual	Plural
Nominative	hārṣṭeyaḥ	hārṣṭeyau	hārṣṭeyāḥ
Vocative	hārṣṭeya	hārṣṭeyau	hārṣṭeyāḥ
Accusative	hārṣṭeyam	hārṣṭeyau	hārṣṭeyān
Instrumental	hārṣṭeyena	hārṣṭeyābhyām	hārṣṭeyaiḥ hārṣṭeyebhiḥ
Dative	hārṣṭeyāya	hārṣṭeyābhyām	hārṣṭeyebhyaḥ
Ablative	hārṣṭeyāt	hārṣṭeyābhyām	hārṣṭeyebhyaḥ
Genitive	hārṣṭeyasya	hārṣṭeyayoḥ	hārṣṭeyānām
Locative	hārṣṭeye	hārṣṭeyayoḥ	hārṣṭeyeṣu

Compound hārṣṭeya -

Adverb -hārṣṭeyam -hārṣṭeyāt