Etymology Explorer › English

Where does “spy” come from?

Spy comes from Middle English spien and espien, from Old French espier, from Frankish spehōn, ultimately from Proto-Indo-European speḱ-, meaning to observe or look.

spy (English): A person who secretly watches and examines the...

Definitions

  1. A person who secretly watches and examines the...

Ancestry of “spy”, step by step

StepLanguageWordMeaning
1English-ingUsed to form gerunds, a type of verbal nouns,...
2Old English-ingForming nouns from verbs, indicating action,...
3Old English-tūn—
4Old Englishtūnenclosure, yard; place; dwelling
5Proto-West Germanictūnfence
6Proto-Germanictūnąfence; enclosure
7Gaulishdunumfort; hill, hillfort
8Proto-Celticdūnomstronghold, rampart
9Proto-Indo-Europeandʰewh₂-smoke; mist, haze

Words derived from “spy”

  • spying
  • spyware
  • spyglass
  • antispyware
  • spymaster
  • spyhole
  • spieth
  • superspy
  • counterspy
  • spycraft
  • spyplane
  • spiest
  • spycam
  • spycatcher
  • spydom
  • antispy
  • counterspying
  • spylike
  • spyproof
  • spycatching
  • cyberspy
  • cyberspying
  • spyboat
  • spyism
Every word from Proto-Indo-European dʰewh₂- →