Declension table of ?arcin

Masculine	Singular	Dual	Plural
Nominative	arcī	arcinau	arcinaḥ
Vocative	arcin	arcinau	arcinaḥ
Accusative	arcinam	arcinau	arcinaḥ
Instrumental	arcinā	arcibhyām	arcibhiḥ
Dative	arcine	arcibhyām	arcibhyaḥ
Ablative	arcinaḥ	arcibhyām	arcibhyaḥ
Genitive	arcinaḥ	arcinoḥ	arcinām
Locative	arcini	arcinoḥ	arciṣu

Compound arci -

Adverb -arci