layer (v.)youdaoicibaDictYouDict[layer 词源字典]
1832, from layer (n.). Related: Layered; layering.[layer etymology, layer origin, 英语词源]
strato-youdaoicibaDictYouDict
before vowels strat-, word-forming element referring to layers or layering, also stratus clouds, from comb. form of Latin stratus "a spreading" (see stratum).