The role, duties, or status of being a henchman; loyal service as an assistant or enforcer.
From 'henchman' (from Old English 'hengist' meaning groom, via 'hench') + '-ship' (suffix denoting office or condition). The '-ship' suffix has been used since Old English to describe states or relationships.
The suffix '-ship' is incredibly productive in English—we can add it to almost any word to describe a role or relationship ('friendship', 'kingship', 'scholarship'), which is why even made-up or slang words can form '-ship' nouns that feel natural.
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