Etymology Explorer › Ancient Greek

Where does “δεῖ” come from?

δεῖ (Ancient Greek) comes from Ancient Greek δέω, from Proto-Indo-European deh₁- — to bind.

δεῖ (Ancient Greek): it behoves one to, it is necessary to, one must;...

Definitions

  1. it behoves one to, it is necessary to, one must;...

Ancestry of “δεῖ”, step by step

StepLanguageWordMeaning
1Ancient GreekδέωI bind, tie, fasten, fetter; To lack, need,...
2Proto-Indo-Europeandeh₁-to bind

Words derived from “δεῖ”

  • deontological
  • deontic
  • deontology
  • deontologist
  • deontologically
  • deontically
  • nondeontic
  • deonticity
  • deontológico
  • deontología
  • deontologico
  • deontologicamente
  • deontologia
  • déontologique
  • déontologiquement
  • déontologie
  • δέον
  • δέον
Every word from Proto-Indo-European deh₁- →