Where does “wortelteken” come from?

wortelteken (Dutch) comes from Dutch teken, from Middle Dutch têken, from Old Dutch tēkan, from Proto-West Germanic taikn, from Proto-Germanic taikną, from Proto-Indo-European deyḱ- — to point out.

wortelteken (Dutch): square root sign, radical sign; the symbol √

Definitions

  1. square root sign, radical sign; the symbol √

Ancestry of “wortelteken”, step by step

wortelteken traces back through two separate lines of ancestry.

via Dutch teken

StepLanguageWordMeaning
1Dutchtekensign; signal; character
2Middle Dutchtêkenmark, sign
3Old Dutchtēkan
4Proto-West Germanictaiknsign, token, symbol
5Proto-Germanictaiknąsign, token, symbol
6Proto-Indo-Europeandeyḱ-to point out

via Dutch wortel

StepLanguageWordMeaning
1Dutchwortelcarrot; root; square root, root
2Middle Dutchworteleroot; edible root
3Old Dutchwurtala
4Proto-Germanicwurt-oblique stem of *wrōts
5Proto-Germanicwrōtsroot
6Proto-Indo-Europeanwréh₂dsroot
Every word from Proto-Indo-European deyḱ-Every word from Proto-Germanic taiknąEvery word from Proto-West Germanic taikn