Where does “raier” come from?

raier (Old French) comes from Latin radio, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

raier (Old French): to radiate

Definitions

  1. to radiate

Ancestry of “raier”, step by step

StepLanguageWordMeaning
1LatinradioI cause to radiate, irradiate; I radiate, emit...
2Latin-ōsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
3Proto-Indo-European-ōDerives nouns from roots
Every word from Proto-Indo-European -ō →Every word from Latin -ō →Every word from Latin radio →
raier — Etymology, Origin & Word History | Etymology Explorer