Sentence:  We shall not be able entirely to pass over these connections to the East as we consider Ripe Geometric pottery , the epic and the myth , and the religious evolution of early Greece ; the important point , however , is that these magnificent achievements , unlike those of later <WSD>decades</WSD> , were only incidentally influenced by Oriental models . 
Meaning of the word marked with <WSD> tags:  a period of 10 years