Where does “reison” come from?

reison (Old Dutch) comes from Proto-West Germanic *raisōn, from Finnish raisu, from Proto-Germanic raisō, from Proto-Indo-European h₁rey- — to arise, arise; to rise, arise; to rise; arise.

Ancestry of “reison”, step by step

StepLanguageWordMeaning
1Proto-West Germanic*raisōnto set out, depart, journey
2Finnishraisuboisterous, rambunctious
3Proto-Germanicraisōa travel, journey
4Proto-Indo-Europeanh₁rey-to arise, arise; to rise, arise; to rise; arise

Words derived from “reison”

Every word from Proto-Indo-European h₁rey- →Every word from Proto-Germanic raisō →Every word from Finnish raisu →