Where does “rájjdo” come from?

rájjdo (Pite Sami) comes from Proto-Samic rājδō, from Proto-Germanic raidō, from Proto-Germanic rīdaną, from Proto-Indo-European rēydʰ-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

Definitions

Ancestry of “rájjdo”, step by step

StepLanguageWordMeaning
1Proto-Samicrājδōline of reindeer
2Proto-Germanicraidōride, journey; name of the R-rune
3Proto-Germanicrīdanąto ride
4Proto-Indo-Europeanrēydʰ-—
5Proto-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 →