Etymology Explorer › English

Where does “eigen-” come from?

eigen- (English) comes from German eigen, from Middle High German eigen, from Old High German eigan, from Proto-West Germanic aigan, from Proto-Germanic *aiganą, from Proto-Indo-European h₂eh₂óyḱe, from Proto-Indo-European h₂eyḱ- — to possess, to own.

Ancestry of “eigen-”, step by step

StepLanguageWordMeaning
1Germaneigenown, peculiar or private to someone,...
2Middle High Germaneigen—
3Old High Germaneiganown; possession, property
4Proto-West Germanicaiganto possess, to own, to have; own
5Proto-Germanic*aiganą—
6Proto-Indo-Europeanh₂eh₂óyḱeto possess, to own
7Proto-Indo-Europeanh₂eyḱ-to possess, to own

Words derived from “eigen-”

  • eigenvalue
  • eigenvector
  • eigenstate
  • eigenfunction
  • eigenmode
  • eigenspace
  • eigenfrequency
  • eigenproblem
  • eigendecomposition
  • eigenenergy
  • eigenstructure
  • eigenface
  • eigenshape
  • eigenanalysis
  • eigensystem
  • eigenbasis
  • eigenequation
  • eigenstrain
  • eigenspectrum
  • eigenpair
  • eigenchannel
  • eigenimage
  • eigensolution
  • eigensolver
Every word from Proto-Indo-European h₂eyḱ- →