Where does “lappukoe” come from?

lappukoe (Finnish) comes from Finnish lappu, from Swedish läpp, from Old Swedish lapper, from Finnish lappalainen, from Finnish -läinen, from Finnish laji, from Old Swedish slagh, from Middle Low German slach — to hit.

lappukoe (Finnish): patch test

Definitions

  1. patch test

Ancestry of “lappukoe”, step by step

lappukoe traces back through two separate lines of ancestry.

via Finnish lappu

StepLanguageWordMeaning
1FinnishlappuA small piece of paper, textile etc; A tag, label
2Swedishläpplip
3Old Swedishlapper
4FinnishlappalainenA Sami
5Finnish-läinenFront vowel variant of -lainen
6Finnishlajikind, sort; species; sport
7Old Swedishslagh
8Middle Low Germanslach
9Old Saxonslag
10Proto-West Germanicslagiblow, strike
11Swedishslaggslag metallurgical waste material
12Low Germanslagge
13Middle Low Germanslagge
14Middle Low Germanslānto hit, strike
15Old Saxonslāhanto hit

via Finnish koe

StepLanguageWordMeaning
1Finnishkoeexperiment; trial, test; examination, test, exam
2Finnishkokeato experience, undergo; to suffer; ~ verkko = to...
3Proto-Finnickokedakto (go) take a look at
4Proto-Uralickoke-see
5Proto-Indo-Europeanh₃ekʷ-to see; eye
Every word from Old Saxon slāhanEvery word from Middle Low German slānEvery word from Middle Low German slagge