Where does “erheellisyys” come from?

erheellisyys (Finnish) comes from Finnish erheellinen, from Finnish erhe, from Finnish erehtyä, from Finnish -htua, from Finnish -tua, from Ido tu, from English thou, from English thousand — to swell; to crowd; to be strong.

erheellisyys (Finnish): erroneousness

Definitions

  1. erroneousness

Ancestry of “erheellisyys”, step by step

StepLanguageWordMeaning
1Finnisherheellinenerroneous
2Finnisherhemistake, error
3Finnisherehtyäto err, make a mistake
4Finnish-htuaForms translative verbs, often emphasizing the...
5Finnish-tuaForms inchoative or passive intransitive verbs...
6Idotuyou singular, thou
7EnglishthouNominative singular of ye; To address using the...
8EnglishthousandA numerical value equal to 1,000 = 10 × 100 = 10
9Middle EnglishthousendA thousand; 1000
10Old Englishþūsendthousand
11Proto-West Germanicþūsundithousand
12Proto-Germanicþūsundīa thousand
13Proto-Indo-EuropeantuHsont-thousand
14Proto-Indo-Europeantewh₂-to swell; to crowd; to be strong
Every word from Proto-Indo-European tewh₂- →Every word from Finnish -tua →Every word from Proto-Indo-European tuHsont- →