Where does “arrātan” come from?

arrātan (Old High German) comes from Proto-Germanic uzrēdaną, from Proto-Germanic rēdaną, from Proto-Indo-European Hreh₁dʰ-, from Proto-Indo-European h₂reh₁-, from Proto-Indo-European h₂er- — to fit, to fix, to put together.

Ancestry of “arrātan”, step by step

StepLanguageWordMeaning
1Proto-Germanicuzrēdanąto guess
2Proto-Germanicrēdanąto decide, advise
3Proto-Indo-EuropeanHreh₁dʰ-to think; to arrange; to succeed, accomplish
4Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
5Proto-Indo-Europeanh₂er-to fit, to fix, to put together

Words derived from “arrātan

Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Indo-European Hreh₁dʰ-