若返り (わかがえり)rejuvenation; restoration of youth

rejuvenation; restoration of youthnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru

若返り, its kanji, and other words that share them.Open this graph

Kanji in 若返り

若手わかてyoung person
若者わかものyoung man; young woman
若さわかさyouth
若干じゃっかんsome; few
若年じゃくねんyouth
若松わかまつyoung pine; New Year's symbolic pine decoration
若葉わかばnew leaves; young leaves
傍若無人ぼうじゃくぶじんbehaving outrageously as though there were no one around; acting without consideration for others
返還へんかんreturn; restoration
返済へんさいrepayment; reimbursement
繰り返しくりかえしrepetition; repeat
見返りみかえりreward; compensation
返事へんじreply; answer
巻き返しまきかえしrally; recovery
繰り返すくりかえすto repeat; to do something over again
振り返るふりかえるto turn one's head; to look over one's shoulder

See how 若返り connects to the rest of Japanese.