Quiz: Remember the definition of mal de mer?
Old English ærende "message, mission; answer, news, tidings," from Proto-Germanic *ærundjam (cf. Old Saxon arundi, Old Norse erendi, Danish ærende, Swedish ärende, Old Frisian erende, Old High German arunti "message"). Originally of important missions; meaning "short, simple journey and task" is attested by 1640s. Related: Errands.