The Aulerci were a group of Gallic peoples dwelling in the modern region of Normandy, between the Loire (Liger) and the Seine (Sequana) rivers, during the Iron Age and the Roman period.
According to historian Venceslas Kruta, they could have been pagi that got separated from a larger ethnic group of the pre-Roman period.
[1] The Gaulish ethnonym Aulerci is generally interpreted as meaning 'those who are far away from their traces' (tracks, paths), composed of the ablative prefix au- ('out of, away from') attached to the root lerg- ('trace', cf.
[3][4][5] Pierre-Yves Lambert has also proposed a comparison with the Old Irish lerg ('slope, brink'), or with the Welsh/Breton alarch ('swan').
17) mentions a tribe of Diablintes or Diablintres, to whom Ptolemy gives the generic name of Aulerci.