Where does “kertymäkiekko” come from?

kertymäkiekko (Finnish) comes from Finnish kertymä, from Finnish kertyä, 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.

kertymäkiekko (Finnish): accretion disk

Definitions

  1. accretion disk

Ancestry of “kertymäkiekko”, step by step

kertymäkiekko traces back through two separate lines of ancestry.

via Finnish kertymä

StepLanguageWordMeaning
1Finnishkertymäaccumulation; accrual
2FinnishkertyäTo accumulate, accrue
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 kiekko

StepLanguageWordMeaning
1FinnishkiekkoA disk or a disc; A puck; A discus
Every word from Proto-Indo-European tewh₂- →Every word from Finnish -tua →Every word from Proto-Indo-European tuHsont- →