Where does “erehtymätön” come from?

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

erehtymätön (Finnish): infallible; Negative participle of erehtyä

Definitions

  1. infallible; Negative participle of erehtyä

Ancestry of “erehtymätön”, step by step

erehtymätön traces back through two separate lines of ancestry.

via Finnish erehtyä

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

via Finnish maton

StepLanguageWordMeaning
1FinnishmatonGenitive singular form of matto

Words derived from “erehtymätön”

Every word from Proto-Indo-European tewh₂- →Every word from Finnish -tua →Every word from Proto-Indo-European tuHsont- →