出典:Wiktionary
From Middle English reys (“a journey; military expedition”), from Proto-West Germanic *raisu. Cognate with Danish rejse (“journey, trip, travel”), Dutch reis (“journey, trip, travel”), German Reise (“journey, travel”), Low German Reis (“journey, travel”) North Frisian reyse (“travel, expedition”), Norwegian reise (“trip, journey”), Swedish resa (“trip, journey”). See also reyse.