An archaic or formal variant of hermaphroditic, describing the condition or quality of being hermaphroditic or having mixed characteristics of both sexes.
From 'hermaphrodite' plus the older English suffix '-ical' (variant of '-ic'); this form reflects earlier English usage when such terms were more formal and elaborate.
This word shows how English loved adding extra syllables for emphasis in the 1600s-1700s—it's the linguistic equivalent of wearing a bigger wig to seem more important.
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