Where does “lifeline” come from?

Lifeline derives from English life and English lind, from Old English līn, from Proto-Germanic lībą, from Proto-Indo-European līno-, ultimately from the root ley- with the suffix -no-.

lifeline (English): A line to which a drowning or falling victim may...

Definitions

  1. A line to which a drowning or falling victim may...

Ancestry of “lifeline”, step by step

lifeline 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 line

StepLanguageWordMeaning
1EnglishlineA path through two or more points (compare ‘segment’); a continuous mark, including as made by a pen; any path, curved or straight
2Middle Englishlinerope, cord; line, rule, ruler, measure; rule,...
3Old Englishlīneline, rope, cord; line, cable, rope, hawser,...
4Proto-West Germanic*līnāline, chord, rope, string
5Proto-Germaniclīnǭthat which is made of flax; line, chord, rope,...
6Proto-Germaniclīnąflax
7Proto-Indo-Europeanlīno-flax

Words derived from “lifeline

Every word from Proto-Indo-European lēy-Every word from Proto-Indo-European leyp-Every word from Proto-Germanic lībaną
lifeline — Etymology, Origin & Word History | Etymology Explorer