←
Middle High German ōem (inherited)
←
Middle Low German ōm (derived)
←
Proto-West Germanic *auhaim (derived)
←
Old High German ōheim (inherited)
←
Old Saxon *ōhēm (derived)
→
Old English eam (mention)
→
Finnish ohmi (borrowed)
→
Japanese オーム (borrowed)
→
Portuguese ohm (derived)
→
Saterland Frisian Oom (cognate)
→
Vietnamese ôm (borrowed)