Resembling or characteristic of a barber or barbering; having the qualities or mannerisms of a barber.
From 'barber' plus the suffix '-ish,' which means 'somewhat like' or 'having the quality of,' a common pattern in English for creating adjectives.
The suffix '-ish' is one of English's most flexible tools—you can add it to nearly any noun to create an adjective, which is why English speakers often joke about how we can 'ish' anything ('What time is it?' 'I dunno, like 3-ish?').
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