Type Word Usage Old Germanic (Hypothetical) Meaning & History Germanic word meaning "oak" [1]. Related ItemsFamily Tree·Details Other Languages & Culturesac(Anglo-Saxon) eik(Old Dutch) eih(Old High German) eik(Old Norse) Surname DescendantsEichel(German) Ek(Swedish) Sources & References Kroonen, Guus. Etymological Dictionary of Proto-Germanic. Brill, 2013, page 9.