Where does “eadar-” come from?

eadar- (Scottish Gaelic) comes from Scottish Gaelic eadar, from English Eider, from Swedish ejder, from Low German eider, from Icelandic æður, from Old Norse æðr, from Proto-Germanic ēþrō, from Proto-Indo-European ēt-er- — stomach, intestines.

eadar- (Scottish Gaelic): inter-

Definitions

  1. inter-

Ancestry of “eadar-”, step by step

StepLanguageWordMeaning
1Scottish Gaeliceadarbetween
2EnglishEiderthe boundary between Schleswig and Holstein
3Swedishejdereider; common eider, the species "Somateria...
4Low Germaneider
5Icelandicæðureider; vein; wadable
6Old Norseæðrvein; eider
7Proto-Germanicēþrōvein
8Proto-Indo-Europeanēt-er-stomach, intestines

Words derived from “eadar-

Every word from Proto-Indo-European ēt-er-Every word from Proto-Germanic ēþrōEvery word from Old Norse æðr