An Etymological Dictionary of the German Language/er-
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er-, prefix, signifying ‘transition, beginning, attaining,’ from MidHG. er-, OHG. ir, ar, ur-, the unaccented verbal prefix from the accented ur-. See the latter.
er-, prefix, signifying ‘transition, beginning, attaining,’ from MidHG. er-, OHG. ir, ar, ur-, the unaccented verbal prefix from the accented ur-. See the latter.