The story
- Proto-Indo-European*(H)reh₁-
- Proto-Indo-European*(H)reh₁ís
- Proto-Italic*reis
- Classical Latinrēs
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Latinreālis
- Old Frenchreel
- Frenchreal
- Frenchréaliser
- Frenchréalisation
- English todayrealization
From French réalisation, from Middle French; equivalent to realize + -ation.
Etymology from Wiktionary, CC BY-SA 4.0.