French word amuser comes from Old French a-, Proto-Germanic *mōtōną (To be available, unrestricted. To be idle, at leisure.)
| Dictionary entry | Language | Definition |
|---|---|---|
| a- | Old French (fro) | (by extension) indicating a change of state. Indicating movement towards something. Intensifying prefix. |
| *mōtōną | Proto-Germanic (gem-pro) | To be available, unrestricted. To be idle, at leisure. |
| *gimōtōn | Frankish (frk) | |
| *muso | Latin (lat) | (Vulgar Latin) I gape, idly stare. (Vulgar Latin) I idly wait. (Vulgar Latin) I leisurely wander (in one's mind). |
| muser | Old French (fro) | To loiter; waste time. To ponder; to think about. To stare at in amazement. |
| amuser | Old French (fro) | |
| amuser | Middle French (frm) | |
| amuser | French (fra) | (reflexive, s'amuser) to have fun, to enjoy oneself. (transitive) to amuse, to entertain. |