Where does “dertig” come from?

dertig (Zealandic) comes from Middle Dutch dertich, from Old Dutch thrītig, from Proto-Germanic þrīz tigiwiz — thirty.

dertig (Zealandic): thirty

Definitions

  1. thirty

Ancestry of “dertig”, step by step

StepLanguageWordMeaning
1Middle Dutchdertichthirty
2Old Dutchthrītig—
3Proto-Germanicþrīz tigiwizthirty
Every word from Proto-Germanic þrīz tigiwiz →Every word from Old Dutch thrītig →Every word from Middle Dutch dertich →