Where does “seis” come from?

seis (West Frisian) comes from Old Frisian sex, from Proto-Germanic sehs, from Proto-Indo-European swéḱs — six.

seis (West Frisian): six

Definitions

  1. six

Ancestry of “seis”, step by step

StepLanguageWordMeaning
1Old Frisiansexsix
2Proto-Germanicsehssix
3Proto-Indo-Europeanswéḱssix
Every word from Proto-Indo-European swéḱs →Every word from Proto-Germanic sehs →Every word from Old Frisian sex →