| 1 | English | bail | Security, usually a sum of money, exchanged for... |
| 2 | Middle English | beyle | — |
| 3 | Old English | biegels | — |
| 4 | Old English | bīeġan | to bend, turn, turn back, incline, depress,... |
| 5 | Proto-Germanic | bi- | by, at |
| 6 | Proto-Germanic | bi | by, at; near, around |
| 7 | Proto-Indo-European | h₂m̥bʰi | around, on either side of, about; in exchange... |
| 8 | Proto-Indo-European | h₂n̥tbʰi | — |
| 9 | Proto-Indo-European | h₂énts | forehead; front |
| 10 | Proto-Indo-European | h₂ent- | face; forehead; front |
| 11 | Proto-Indo-European | h₂en- | on, onto |