←
West Frisian iik (cognate)
←
Middle High German eich (inherited)
←
Old High German eih (inherited)
←
Proto-Indo-European *h₂eyǵ- (root)
←
Latvian ozols (cognate)
←
Low German Eek (cognate)
←
Albanian enjë (cognate)
→
Cimbrian aicha (cognate)
→
Luxembourgish Eech (cognate)
→
Pennsylvania German Eeche (cognate)
→
Vilamovian aach (mention)