Declension table of ?hṛdiśaya

Neuter	Singular	Dual	Plural
Nominative	hṛdiśayam	hṛdiśaye	hṛdiśayāni
Vocative	hṛdiśaya	hṛdiśaye	hṛdiśayāni
Accusative	hṛdiśayam	hṛdiśaye	hṛdiśayāni
Instrumental	hṛdiśayena	hṛdiśayābhyām	hṛdiśayaiḥ
Dative	hṛdiśayāya	hṛdiśayābhyām	hṛdiśayebhyaḥ
Ablative	hṛdiśayāt	hṛdiśayābhyām	hṛdiśayebhyaḥ
Genitive	hṛdiśayasya	hṛdiśayayoḥ	hṛdiśayānām
Locative	hṛdiśaye	hṛdiśayayoḥ	hṛdiśayeṣu

Compound hṛdiśaya -

Adverb -hṛdiśayam -hṛdiśayāt