(Aramaic) intensive, from a root corresponding to 'adar; ample, i.e. A threshing-floor -- threshingfloor.
see HEBREW 'adar
H147. iddar
[אִדַּר K§ 59 c)] noun masculine threshing-floor (ᵑ7 id., Syr; , compare Christian-Palestinian Aramaic SchulthLex.3; hence Arabic as loan-word Frä136; conjectures on etymology LagGes. Abh. 10 HoffmLCB 1882, 320 JenZA vii (1892). 216); — plural construct אִדְּרֵיקַֿיִט Daniel 2:35.