Where does “sea mile” come from?

sea mile (English) comes from Norwegian Bokmål sjømil, from Danish sømil, from Danish sø, from Old Norse sýr, from Proto-Germanic sūz, from Proto-Indo-European suH-, from Proto-Indo-European sewH-, from Proto-Indo-European sew- — to press out, extract; juice; liquid, rain; to...

sea mile (English): a unit of distance now equal to exactly 1852 meters

Definitions

  1. a unit of distance now equal to exactly 1852 meters

Ancestry of “sea mile”, step by step

sea mile traces back through two separate lines of ancestry.

via Norwegian Bokmål sjømil

StepLanguageWordMeaning
1Norwegian Bokmålsjømila nautical mile
2Danishsømilnautical mile, now exactly 1852 m but previously about four times as much, 1/15 of an equatorial degree
3Danishlake; sea
4Old Norsesýrsow
5Proto-Germanicsūzsow; pig, swine
6Proto-Indo-EuropeansuH-pig, hog, swine
7Proto-Indo-EuropeansewH-to bear; to give birth
8Proto-Indo-Europeansew-to press out, extract; juice; liquid, rain; to...

via Swedish sjömil

StepLanguageWordMeaning
1Swedishsjömilnautical mile, now exactly 1,852 meters but previously roughly four times as much, 4 minutes of arc or
Every word from Proto-Indo-European sew-Every word from Proto-Indo-European sewH-Every word from Proto-Indo-European suH-