Declension table of aitihya

Neuter	Singular	Dual	Plural
Nominative	aitihyam	aitihye	aitihyāni
Vocative	aitihya	aitihye	aitihyāni
Accusative	aitihyam	aitihye	aitihyāni
Instrumental	aitihyena	aitihyābhyām	aitihyaiḥ
Dative	aitihyāya	aitihyābhyām	aitihyebhyaḥ
Ablative	aitihyāt	aitihyābhyām	aitihyebhyaḥ
Genitive	aitihyasya	aitihyayoḥ	aitihyānām
Locative	aitihye	aitihyayoḥ	aitihyeṣu

Compound aitihya -

Adverb -aitihyam -aitihyāt