Where does “boiloff” come from?

boiloff (English) comes from English off, from Middle English of, from Old English of, from Old English æf, from Proto-Germanic *ab, from Proto-Indo-European apó.

boiloff (English): The vaporization of a liquid whose boiling point...

Definitions

  1. The vaporization of a liquid whose boiling point...

Ancestry of “boiloff”, step by step

boiloff traces back through two separate lines of ancestry.

via English off

StepLanguageWordMeaning
1EnglishoffIn a direction away from the speaker or object;...
2Middle Englishofof; off; until
3Old Englishofof, from, off, out of
4Old Englishæfof
5Proto-Germanic*ab—
6Proto-Indo-Europeanapó—

via English boil

StepLanguageWordMeaning
1EnglishboilA localized accumulation of pus in the skin,...
2Middle Englishbile—
3Old Englishbȳlboil
4Proto-Germanicbūlōboil; sore
5Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
6Proto-Indo-Europeanbʰōl-—
Every word from Proto-Indo-European apó →