Of, relating to, or occurring in the month of April.
From 'April' with the suffix '-ine' meaning 'of or relating to.' This rare adjectival form appears occasionally in poetic or literary contexts referring to April's qualities.
Apriline almost never shows up in modern writing—poets and writers prefer 'April' used directly or simple phrases like 'of April,' suggesting that some suffix combinations, though logically possible, just never catch on culturally.
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