The story
- Proto-Indo-European*h₂ep
- Proto-Indo-European*h₂epó
- Proto-Italic*ap
- Latinab
- Latinab-
- Englishab-
- Proto-Indo-European*h₂ent-
- Proto-Indo-European*h₂énts?
- Proto-Indo-European*h₂m̥bʰí
- Proto-Italic*amβi-
- Latinambi-
- Proto-Indo-European*h₂elh₂-
- Proto-Italic*alō
- Latin*alō
- Latinambulō
- Latinambulacrum
- Englishambulacrum
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishambulacral
- English todayabambulacral
From ab- + ambulacral.
Etymology from Wiktionary, CC BY-SA 4.0.