Where does “sevennight” come from?

sevennight (English) comes from English seven-night, from Old English seofeniht, from Old English seofon, from Proto-West Germanic sebun, from Proto-Germanic sebun, from Proto-Germanic sebunt, from Proto-Indo-European septḿ̥ — seven.

sevennight (English): A week; any period of seven consecutive days and...

Definitions

  1. A week; any period of seven consecutive days and...

Ancestry of “sevennight”, step by step

StepLanguageWordMeaning
1Englishseven-nightA week
2Old Englishseofenihta week
3Old Englishseofonseven
4Proto-West Germanicsebunseven
5Proto-Germanicsebunseven
6Proto-Germanicsebunt—
7Proto-Indo-Europeanseptḿ̥seven
Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Germanic sebunt →Every word from Proto-Germanic sebun →