Declension table of ?ṛceyu

Masculine	Singular	Dual	Plural
Nominative	ṛceyuḥ	ṛceyū	ṛceyavaḥ
Vocative	ṛceyo	ṛceyū	ṛceyavaḥ
Accusative	ṛceyum	ṛceyū	ṛceyūn
Instrumental	ṛceyunā	ṛceyubhyām	ṛceyubhiḥ
Dative	ṛceyave	ṛceyubhyām	ṛceyubhyaḥ
Ablative	ṛceyoḥ	ṛceyubhyām	ṛceyubhyaḥ
Genitive	ṛceyoḥ	ṛceyvoḥ	ṛceyūnām
Locative	ṛceyau	ṛceyvoḥ	ṛceyuṣu

Compound ṛceyu -

Adverb -ṛceyu