To work as or perform the duties of a butler; to serve as a butler.
From 'butler' (a servant in charge of household) plus '-le' (a verbing suffix) or directly from the noun 'butler' used as a verb. Butler comes from Old French 'bouteillier' meaning 'bottle-carrier'.
The word 'butler' originally meant someone in charge of the wine bottles—not the fancy head servant we imagine today. What started as a specific job (bottles!) expanded into managing an entire household.
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