Where does “kieltoerehdys” come from?

kieltoerehdys (Finnish) comes from Finnish erehdys, from Finnish erehtyä, from Finnish -htua, from Finnish -tua, from Ido tu, from English thou, from English thousand, from Middle English thousend — to swell; to crowd; to be strong.

kieltoerehdys (Finnish): A legitimate, mistaken belief that some action was legal (when it was in reality illegal), when caused by a mistake in law and thus exculpable

Definitions

  1. A legitimate, mistaken belief that some action was legal (when it was in reality illegal), when caused by a mistake in law and thus exculpable

Ancestry of “kieltoerehdys”, step by step

kieltoerehdys traces back through two separate lines of ancestry.

via Finnish erehdys

StepLanguageWordMeaning
1Finnisherehdysmistake
2Finnisherehtyäto err, make a mistake
3Finnish-htuaForms translative verbs, often emphasizing the...
4Finnish-tuaForms inchoative or passive intransitive verbs...
5Idotuyou singular, thou
6EnglishthouNominative singular of ye; To address using the...
7EnglishthousandA numerical value equal to 1,000 = 10 × 100 = 10
8Middle EnglishthousendA thousand; 1000
9Old Englishþūsendthousand
10Proto-West Germanicþūsundithousand
11Proto-Germanicþūsundīa thousand
12Proto-Indo-EuropeantuHsont-thousand
13Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong

via Finnish kielto

StepLanguageWordMeaning
1Finnishkieltoban, prohibition
2Finnishkieltääto forbid; to forbid, to disallow, to ban, to...
3Finnishkielitongue; language; string
4Proto-Finnickeelitongue; language
5Proto-Uralickäletongue; language
Every word from Proto-Indo-European tewh₂- →Every word from Finnish -tua →Every word from Proto-Indo-European tuHsont- →