Past tense of 'frondesce'; developed or put forth fronds or leaves.
From 'frondesce' + past tense suffix '-ed'. This is the historical past tense of the Latin-derived verb describing the development of leafy growth.
Finding the past tense of such a rare word is like botanical archaeology—most English speakers have never used or heard 'frondesced,' but it represents how systematically English constructs verb forms.
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