Where does “ブイ” come from?

ブイ (Japanese) comes from Russian Буй, from Dutch boei, from Middle Dutch boeye, from Old French boie, from Latin boia, from Ancient Greek βοείη, from Ancient Greek βοῦς, from Latin corvus — army.

ブイ (Japanese): The name of the Latin-script letter V; a buoy

Definitions

  1. The name of the Latin-script letter V; a buoy

Ancestry of “ブイ”, step by step

ブイ traces back through 3 separate lines of ancestry.

via Russian Буй

StepLanguageWordMeaning
1RussianБуйbuoy
2Dutchboeibuoy; shackle
3Middle Dutchboeyelife buoy; float, buoy; shackle, fetter
4Old Frenchboiebond, chain; fetter, chain, clog
5Latinboiafetter, collar for the neck
6Ancient Greekβοείηox hide
7Ancient Greekβοῦςcow, ox, cattle; shield: ὃτι ἐκ βοείων ἐστι...
8LatincorvusA raven; a bird associated with prophecy and...
9Proto-Italickorwos
10Proto-Indo-Europeanḱorh₂wós
11Proto-Indo-Europeanḱer-to grow, to make grow, to nourish; to plait,...
12Proto-Indo-Europeankr̥-to turn, to bend
13Proto-Indo-Europeanker-army

via American English buoy

StepLanguageWordMeaning
1American EnglishbuoyA float moored in water to mark a location, warn...
2Middle Englishboyeservant, commoner, knave, boy
3Old Englishbōiaboy
4Proto-Germanicbōjôyounger brother, young male relation
5Proto-Germanicbō-A stem meaning "father, brother, close male...
6Proto-Indo-Europeanbʰā-to say

via English vee

StepLanguageWordMeaning
1EnglishveeThe name of the Latin-script letter V; Something...
Every word from Proto-Indo-European ker-Every word from Proto-Indo-European kr̥-Every word from Proto-Indo-European ḱer-
ブイ — Etymology, Origin & Word History | Etymology Explorer