Where does “life raft” come from?

life raft (English) comes from English life, from Middle English lyf, from Old English līf, from Proto-West Germanic līb, from Proto-Germanic lībą, from Proto-Germanic lībaną, from Proto-Indo-European leyp-, from Proto-Indo-European lēy- — to leave, let; to want, desire; to let; leave...

life raft (English): A usually inflatable raft carried aboard a ship or airplane, used to save lives in case the vessel has to be abandoned in an emergency on the sea

Definitions

  1. A usually inflatable raft carried aboard a ship or airplane, used to save lives in case the vessel has to be abandoned in an emergency on the sea

Ancestry of “life raft”, step by step

life raft 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 raft

StepLanguageWordMeaning
1EnglishraftA flat-bottomed craft able to float and drift on...
2EnglishraffA promiscuous heap; a jumble; a large quantity;...
3Middle EnglishrafAlternative form of reif
4Old Frenchrafferto wear away
Every word from Proto-Indo-European lēy-Every word from Proto-Indo-European leyp-Every word from Proto-Germanic lībaną