| 1 | Middle English | fraien | — |
| 2 | Middle English | affraien | — |
| 3 | Anglo-Norman | afrayer | to terrify, disquiet, disturb; Alternative form... |
| 4 | Old French | effreer | — |
| 5 | Vulgar Latin | exfridare | — |
| 6 | Vulgar Latin | *exfrido | — |
| 7 | Frankish | friþu | peace, sanctuary; security, peace; peace |
| 8 | Proto-Germanic | friþuz | peace, tranquility; sanctuary, refuge |
| 9 | Proto-Indo-European | priHós | dear, beloved; happy, free |
| 10 | Proto-Indo-European | preyH- | to love, to please |