| Date: | 1200-1300 |
| Language: | Anglo-French |
| Origin: | toiller, from Old French toeillier 'to disturb, argue', from Latin tudiculare 'to crush', from tudicula 'machine for crushing olives', from tudes 'hammer' |
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toil1
[intransitive always + adverb/preposition]
[intransitive always + adverb/preposition]1 also toil away to work very hard for a long period of time
2 literary to move slowly and with great effort

I've been toiling away at this essay all weekend.