An Etymological Dictionary of the German Language/anberaumen

by Friedrich Kluge

anberaumen, vb., ‘to fix or appoint (a time),’ with a dialectic transmutation of â into au (OBav.), or the word was based by popular etymology on Raum, from MidHG. râmen (rœmen), ‘to make proposals, aim, strive’ (berâmen, ‘to fix’), OHG. râmên, OSax. râmôn, ‘to aim, strive,’ Du. beramen, ‘to fix’; allied to MidHG. râm ‘goal’ (root rê, as in Rede?). Further OFr. aramir, ‘to define legally’?.