The story
- Danish · derived fromsø“sea, nautical, maritime”
- Swedish · derived fromsjömil
- Norwegian Bokmål · derived fromsjømil
- Danish · derived fromsømil
- English todaysea mile
As a former Scandinavian unit of distance, a calque of Danish sømil, Norwegian Bokmål sjømil, and Swedish sjömil, from Danish sø (“sea, nautical, maritime”) + mil (“Danish mile or league”).
Etymology from Wiktionary, CC BY-SA 4.0.