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Dictionary of Medieval Names
from European Sources

Erik m. Either Proto-Norse *aiwa 'eternal' or Proto-Norse *ainaz 'one' + Proto-Germanic *rīkijaz 'ruler'.

The name of two legendary kings of Sweden, a semi-legendary 9th C king of Sweden, two 9th C kings of Sweden, two 10th C kings of Norway and Northumbria, two 12th C kings of Denmark, a 12th C king of Sweden, two 13th C kings of Denmark, a 13th C king of Norway, two 13th C kings of Sweden, a 13th-14th C king of Denmark, a 14th C king of Sweden, a 14th-15th C king of Norway, Denmark, and Sweden, and a 16th C king of Sweden.

Estonia
Middle Low German
1437 Erick BbRT p. 360
France
Latin
1163–64 Eiricus (nom) clairvaux-12thc 118; 1164 Eiricus (nom) ibid. 121
Sweden
Latin
1383 Erici (gen) SRA-vol2 no. 1914, Ericus (nom) ibid. no. 1908
Old Swedish
1383 Ereker SRA-vol2 no. 1925, Erics (gen) ibid. no. 1917, Erik ibid. no. 1898, Eriker ibid. no. 1934, Erikir ibid. no. 1933, Erix (gen) ibid. no. 1934
Cite as: S.L. Uckelman. "Erik". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Erik.