Where does “lifeboatism” come from?

lifeboatism (English) comes from English lifeboat, 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- — to leave, let; to want, desire; to let; leave...

Ancestry of “lifeboatism”, step by step

lifeboatism traces back through two separate lines of ancestry.

via English lifeboat

StepLanguageWordMeaning
1EnglishlifeboatA boat especially designed for saving the lives...
2EnglishlifeThe state of organisms preceding their death,...
3Middle Englishlyflife
4Old Englishlīflife, existence; life-time
5Proto-West Germaniclībbody; life
6Proto-Germaniclībąbody; life
7Proto-Germaniclībanąto remain, to be left
8Proto-Indo-Europeanleyp-to stick; fat or sticky substance
9Proto-Indo-Europeanlēy-to leave, let; to want, desire; to let; leave...

via English ism

StepLanguageWordMeaning
1EnglishismAn ideology, system of thought, or practice that...
2English-ismUsed to form nouns of action or process or result...
3Latin-ismus-ism
4Ancient Greek-ισμόςForms abstract nouns
5Ancient Greek-μόςForms abstract nouns
6Proto-Indo-European-mósCreates action/result nouns from verb stems
Every word from Proto-Indo-European lēy-Every word from Proto-Indo-European leyp-Every word from Proto-Germanic lībaną