Where does “lifeblood” come from?

Lifeblood comes from English life and blood, where life derives from Middle English lif, Old English blōd, Proto-Germanic lībą, and Proto-Indo-European bʰleh₃-, ultimately from Proto-Indo-European bʰel-.

lifeblood (English): Blood that is needed for continued life; blood...

Definitions

  1. Blood that is needed for continued life; blood...

Ancestry of “lifeblood”, step by step

lifeblood traces back through two separate lines of ancestry.

via English life

StepLanguageWordMeaning
1EnglishlifeThe state of organisms preceding their death,...
2Middle Englishlyflife
3Old Englishlīflife, existence; life-time
4Proto-West Germaniclībbody; life
5Proto-Germaniclībąbody; life
6Proto-Germaniclībanąto remain, to be left
7Proto-Indo-Europeanleyp-to stick; fat or sticky substance
8Proto-Indo-Europeanlēy-to leave, let; to want, desire; to let; leave...

via English Blood

StepLanguageWordMeaning
1EnglishBloodA member of the Los Angeles gang The Bloods
2Middle Englishbloodblood
3Old Englishblōdblood
4Proto-West Germanicblōdblood
5Proto-Germanicblōþąblood
6Proto-Indo-Europeanbʰleh₃-bloom, flower
7Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
8Proto-Indo-Europeanbʰōl-
Every word from Proto-Indo-European lēy-Every word from Proto-Indo-European leyp-Every word from Proto-Germanic lībaną