dimple (n.) Look up dimple at Dictionary.com
c.1400, perhaps existing in Old English as a word meaning "pothole," perhaps ultimately from Proto-Germanic *dumpilaz, which has yielded words in other languages meaning "small pit, little pool" (such as German Tümpel "pool," Middle Low German dümpelen, Dutch dompelen "to plunge"). Related: Dimples.
dimple (v.) Look up dimple at Dictionary.com
1570s (implied in dimpled), from dimple (n.).