From Proto-Iranian *Wŕ̥kānah (compare Avestan 𐬬𐬆𐬵𐬭𐬐𐬁𐬥𐬀 (Vəhrkāna) and Old Persian 𐎺𐎼𐎣𐎠𐎴 (Vr̥kānaʰ)). More at Hyrcania.
𐭅𐭓𐭊𐭍 • (wrkn /Wurgān/)