Declension table of ?cyāvana

Masculine	Singular	Dual	Plural
Nominative	cyāvanaḥ	cyāvanau	cyāvanāḥ
Vocative	cyāvana	cyāvanau	cyāvanāḥ
Accusative	cyāvanam	cyāvanau	cyāvanān
Instrumental	cyāvanena	cyāvanābhyām	cyāvanaiḥ cyāvanebhiḥ
Dative	cyāvanāya	cyāvanābhyām	cyāvanebhyaḥ
Ablative	cyāvanāt	cyāvanābhyām	cyāvanebhyaḥ
Genitive	cyāvanasya	cyāvanayoḥ	cyāvanānām
Locative	cyāvane	cyāvanayoḥ	cyāvaneṣu

Compound cyāvana -

Adverb -cyāvanam -cyāvanāt