The story
- Proto-Italic*wre-
- Latinre-
- Old Frenchre-
- Middle Englishre-
- Englishre-
- Proto-Indo-European*h₃er-
- Proto-Italic*oriōr
- Latinorior
- Latinorientem
- Frenchorient
- Frenchorienter
- Frenchorientation
- Englishorientation
- English todayreorientation
From re- + orientation.
Etymology from Wiktionary, CC BY-SA 4.0.