English word effort comes from Old French (842-ca. 1400) esforcier, French esforcier, and later Old French (842-ca. 1400) esfort (Strength; might.)
| Dictionary entry | Language | Definition |
|---|---|---|
| esforcier | Old French (842-ca. 1400) (fro) | (reflexive, s'esforcier) to try; to attempt. To force (someone to do something). To fortify; to reinforce. To rape. To try; to make a large effort. To use force. |
| esforcier | French (fr) | |
| esfort | Old French (842-ca. 1400) (fro) | Strength; might. |
| effort | Middle French (ca. 1400-1600) (frm) | (military) unit; division. Strength; might; force. |
| effort | English (en) | A force acting on a body in the direction of its motion.. An endeavour.. The work involved in performing an activity; exertion. (obsolete, transitive) To stimulate.. (uncommon, intransitive) To make an effort. |