Where does “hoofdrekenaar” come from?

hoofdrekenaar (Dutch) comes from Dutch aar, from Middle Dutch âer, from Old Dutch ār, from Proto-Germanic ahaz, from Proto-Finnic ahtas, from Proto-Baltic anśtas, from Proto-Indo-European h₂énǵʰus, from Proto-Indo-European h₂enǵʰ- — to constrict, tighten, compress; narrow, tight;...

hoofdrekenaar (Dutch): one who performs mental arithmetic, mental calculation

Definitions

  1. one who performs mental arithmetic, mental calculation

Ancestry of “hoofdrekenaar”, step by step

hoofdrekenaar traces back through two separate lines of ancestry.

via Dutch aar

StepLanguageWordMeaning
1Dutchaarear; eagle; Alternative form of ader
2Middle Dutchâerear
3Old Dutchār
4Proto-Germanicahazear
5Proto-Finnicahtasnarrow, cramped
6Proto-Balticanśtas
7Proto-Indo-Europeanh₂énǵʰusnarrow, tight
8Proto-Indo-Europeanh₂enǵʰ-to constrict, tighten, compress; narrow, tight;...

via Dutch hoofdrekenen

StepLanguageWordMeaning
1Dutchhoofdrekenento do mental arithmetic
2Dutchhoofdhead
3Middle Dutchhôvethead
4Old Dutchhōvithead
5Proto-West Germanic*haubud
6Proto-Germanichaubudąhead
7Proto-Indo-Europeankáput-head
Every word from Proto-Indo-European h₂enǵʰ-Every word from Proto-Indo-European h₂énǵʰusEvery word from Proto-Baltic anśtas