Or iarugah {ar-oo-gaw'}; feminine passive participle of arag; something piled up (as if (figuratively) raised by mental aspiration), i.e. A paterre -- bed, furrow.
see HEBREW arag
H6170. arugah
[עֲרוּגָה] noun feminine garden terrace or bed; — construct הַבּשֶֹׁם עֲרוּגַת Song of Solomon 5:13 bed of balsam (simile); plural construct הַבּ ׳עֲרֻגוֺת 6:2, ׳ע מַטָּעָהּ Ezekiel 17:7 i.e. where the vine was planted, צִמְחָהּ עֲרֻגֹת 17:10 (all figurative).