From Proto-Iranian *Wárkānah (compare Avestan 𐬬𐬆𐬵𐬭𐬐𐬁𐬥𐬀 (vəhrkāna) and Old Persian 𐎺𐎼𐎣𐎠𐎴 (v-r-k-a-n /varkāna/)). More at Hyrcania.
𐭅𐭓𐭊𐭍 • (wrkn /Wurgān/)