Where does “reide” come from?

reide (Middle Low German) comes from Middle High German rīten, from Old High German rītan, from Proto-West Germanic rīdan, from Proto-Germanic rīdaną, from Proto-Indo-European rēydʰ-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

Ancestry of “reide”, step by step

StepLanguageWordMeaning
1Middle High Germanrītento ride
2Old High Germanrītanto ride
3Proto-West Germanicrīdanto ride
4Proto-Germanicrīdanąto ride
5Proto-Indo-Europeanrēydʰ-—
6Proto-Indo-Europeanh₂er-to fit, to fix, to put together
Every word from Proto-Indo-European h₂er- →Every word from Proto-Indo-European rēydʰ- →Every word from Proto-Germanic rīdaną →