Where does “foliohattu” come from?

foliohattu (Finnish) comes from English tinfoil hat, from English tinfoil, from English FOIL, from Middle English foilen, from Old French fouler, from Latin fullo, from Proto-Indo-European bʰleh₃-, from Proto-Indo-European bʰel-.

foliohattu (Finnish): tinfoil hat piece of headgear made from one or more sheets of metal foil, especially when worn in the belief that it shields the brain

Definitions

  1. tinfoil hat piece of headgear made from one or more sheets of metal foil, especially when worn in the belief that it shields the brain

Ancestry of “foliohattu”, step by step

foliohattu traces back through 3 separate lines of ancestry.

via English tinfoil hat

StepLanguageWordMeaning
1Englishtinfoil hatA piece of headgear made from one or more sheets...
2EnglishtinfoilA thin, pliable sheet of tin or an alloy of tin...
3EnglishFOILTo apply the FOIL algorithm to
4Middle Englishfoilenspoil a scent trail by crossing it
5Old Frenchfoulerto tread, to stamp, to full; tread on, trample
6Latinfullofuller
7Proto-Indo-Europeanbʰleh₃-bloom, flower
8Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
9Proto-Indo-Europeanbʰōl-

via Finnish folio

StepLanguageWordMeaning
1Finnishfoliofoil
2GermanFoliefoil, metal film; plastic wrap, cling film;...
3Vulgar Latinfolia
4Latinfoliuma leaf; a petal; a sheet or leaf of paper
5Proto-Italic*foljom
6Proto-Indo-Europeanbʰolh₃yomleaf

via Finnish hattu

StepLanguageWordMeaning
1Finnishhattuhat; tampion; háček, caron
2Proto-Finnichattu
Every word from Proto-Indo-European bʰōl-Every word from Proto-Indo-European bʰel-Every word from Proto-Indo-European bʰleh₃-