Where does “る” come from?

る (Japanese) comes from Japanese いる, from Old Japanese いる.

る (Japanese): A general method to form verbs (as a godan katsuyō verb). Much less productive than する

Definitions

  1. A general method to form verbs (as a godan katsuyō verb). Much less productive than する

Ancestry of “る”, step by step

StepLanguageWordMeaning
1Japaneseいるto exist, to be
2Old Japaneseいる—

Words derived from “る”

Every word from Old Japanese いる →Every word from Japanese いる →
る — Etymology, Origin & Word History | Etymology Explorer