Dictionary of Medieval Names
from European Sources

Ither m. Uncertain element + Old English here, Old High German heri 'host, army'. Morlet I:143a says the origin of the prototheme is obscure, but may be related to idh 'work' or idhja 'negotiate'.

Belgium
Middle Dutch
1377 Ydier (nom) RSG1376-89 p. 77, Ydiere (dat) ibid. p. 78
France
Latin
c823 Itharius (nom) irminon-vol2 5, Palatiolum; 1135 Yterius (nom) clairvaux-12thc 7, Ytherus (nom) ibid. 7; 1138x1162 Iterius (nom) ibid. 56; 1139 Iterius (nom) HAP p. 372; 1143 Iterius (nom) ibid. p. 373; 1147 Iterii (gen) clairvaux-12thc 17, Iterio (abl) ibid. 17, Iterius (nom) ibid. 14; c1150 Yterius (nom) CartSavII 200; 1163 Iterio (abl) clairvaux-12thc 99; 1163–64 Iterius (nom) ibid. 106; 1164 Iterius (nom) ibid. 120; 1179 Iterius (nom) ibid. 177, Iterus (nom) ibid. 178, Yterii (gen) ibid. 176, Yterus (nom) ibid. 176
Old French
1313 Itier Paris1313 p. 118
Middle French
1418 Ydier HGParis p. 384; 1421 Ithier HAP p. 399
Cite as: J. Uckelman, S.L. Uckelman. "Ither". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Ither.