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By surface analysis, juven(ile) + -escence.
Etymology from Wiktionary, CC BY-SA 4.0.
juvenescence
Today it means: Especially of one's mind or spirit, the state of becoming young or juvenile. Full definition →
Today it means: Especially of one's mind or spirit, the state of becoming young or juvenile. Full definition →
By surface analysis, juven(ile) + -escence.
Etymology from Wiktionary, CC BY-SA 4.0.