A plural form (often archaic or specialized) of apostrophus, referring to multiple instances of the apostrophe punctuation mark or rhetorical addresses.
From Latin/Greek apostrophus pluralized with the -i ending. This represents an older or more technical grammatical convention for marking the plural of terms from classical languages.
Using 'apostrophi' with that fancy Latin plural ending feels like writing in an ancient textbook—English decided regular 's' plurals were fine, but this word clung to its classical roots!
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