The story
- Frencha-
- Proto-Italic*grandis
- Latingrandis
- Old Frenchgrant
- Middle Frenchgrand
- Frenchgrand
- Frenchagrandir
- Proto-Indo-European*h₂éd
- Proto-Italic*ad
- Proto-Italic*ad-
- Latinad-
- Englishad-
- Englishag-
- Englishgrand
- English todayaggrandize
From French agrandir. By surface analysis, ag- + grand + -ize.
Etymology from Wiktionary, CC BY-SA 4.0.