Declension table of ?yatsena

Masculine	Singular	Dual	Plural
Nominative	yatsenaḥ	yatsenau	yatsenāḥ
Vocative	yatsena	yatsenau	yatsenāḥ
Accusative	yatsenam	yatsenau	yatsenān
Instrumental	yatsenena	yatsenābhyām	yatsenaiḥ yatsenebhiḥ
Dative	yatsenāya	yatsenābhyām	yatsenebhyaḥ
Ablative	yatsenāt	yatsenābhyām	yatsenebhyaḥ
Genitive	yatsenasya	yatsenayoḥ	yatsenānām
Locative	yatsene	yatsenayoḥ	yatseneṣu

Compound yatsena -

Adverb -yatsenam -yatsenāt