A scholar or expert in Greek language, culture, or history; someone who studies or specializes in things Greek.
From 'Greek' combined with the suffix '-ist' (denoting a person who specializes in or practices something), similar to pianist, botanist, or atheist.
The '-ist' suffix creates specialist titles—'pianist' (piano player), 'florist' (flower seller), 'greekist' (Greek expert)—allowing any topic to spawn its scholars and enthusiasts.
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