etesiacus Save Lewis & Short Gaffiot 2016 ĕtēsĭăcus, a, um, adj., = ἐτησιακός, of the trade-winds: vitis, Plin. 14, 3, 4, § 36. ĕtēsĭăcus, a, um, v. etesius ; vitis Plin. 14, 36, sorte de vigne.