Reconstruction:Proto-Indo-European/h₂m̥bʰi

Etymology
Following Jasasoff, usually claimed to be from earlier, a petrified variant of the instrumental plural of. Compare.

However, as the semantic development of "with foreheads" to "around" is questionable, Dunkel instead derives from.

Adverb

 * 1) around, on either side of, about
 * 2) in exchange for
 * 3) facing, against