The story
- Proto-Indo-European*úp
- Proto-Indo-European*upér
- Proto-Italic*super
- Latinsuper
- Latinsuper-
- Old Frenchsur-
- Proto-Indo-European*men-
- Proto-Indo-European*móntis
- Proto-Italic*monts
- Latinmōns
- Vulgar Latin*montāre
- Old Frenchmonter
- Old Frenchsormonter
- Middle Englishsurmounten
- Englishsurmount
- English todaysurmountable
Etymology from Wiktionary, CC BY-SA 4.0.