The story
- Proto-Indo-European*weyd-
- Proto-Indo-European*widéh₁yeti
- Proto-Italic*widēō
- Latinvideō
- Old Frenchveoir
- Middle Frenchveoir
- Frenchvoir
- Frenchvoyeur
- English todayvoyeur
Borrowed from French voyeur, from voir (“to see”).
Etymology from Wiktionary, CC BY-SA 4.0.