Where does “ベル友” come from?

ベル友 (Japanese) comes from Japanese ベル, from English Bell, from Middle English belle, from Old English belle, from Proto-West Germanic bellā, from Proto-Germanic bellǭ, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

ベル友 (Japanese): a friend you keep in touch with using a pager

Definitions

  1. a friend you keep in touch with using a pager

Ancestry of “ベル友”, step by step

ベル友 traces back through two separate lines of ancestry.

via Japanese ベル

StepLanguageWordMeaning
1Japaneseベルbell
2EnglishBella telephone utility; a Baby Bell
3Middle Englishbelle
4Old Englishbellebell
5Proto-West Germanicbellā
6Proto-Germanicbellǭbell
7Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
8Proto-Indo-Europeanbʰōl-

via Japanese

StepLanguageWordMeaning
1Japanesefriend
Every word from Proto-Indo-European bʰōl-
ベル友 — Etymology, Origin & Word History | Etymology Explorer