fossetteyoudaoicibaDictYouDict[fossette 词源字典]
" Anatomy , Zoology , and Palaeontology . A small pit, depression, or fossa in the surface of a solid structure, as in the crown of a tooth or the cuticle of an arthropod", Early 19th cent. From French fossette small pit or depression in the surface of a solid structure, kind of ulcer of the cornea from fosse + -ette.[fossette etymology, fossette origin, 英语词源]