Where does “seven-night” come from?

seven-night (English) comes 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.

seven-night (English): A week

Definitions

  1. A week

Ancestry of “seven-night”, step by step

StepLanguageWordMeaning
1Old Englishseofenihta week
2Old Englishseofonseven
3Proto-West Germanicsebunseven
4Proto-Germanicsebunseven
5Proto-Germanicsebunt—
6Proto-Indo-Europeanseptḿ̥seven

Words derived from “seven-night”

Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Germanic sebunt →Every word from Proto-Germanic sebun →