Probably a Contraction of ܐܲܪܥܵܐ ܕܥܕ݂ܸܢ (arˤā d-ˤḏin, literally “the Land of Eden”) or ܐܲܪܲܥ ܥܕ݂ܸܢ (araˤ ˤḏin, literally “the Land of Eden”).
ܐܲܪܵܕܸܢ • (arrādin) f