Toil 

toil [ toyl ]   noun  
Definition: hard work: hard exhausting work or effort

intransitive verb  (3rd person present singular toils, present participle toiling, past and past participle toiled) Definition: 
1. work hard: to work long and hard
2. progress slowly: to progress slowly and with difficulty

[13th century. < Anglo-Norman toiler 'drag around' < Latin tudicula 'machine for bruising olives' < tudes 'hammer']

toiler noun

Word Key: Synonyms See work. 

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