Sentence:  The first slanting rays of the new day cannot yet dispel <WSD>all</WSD> the dark shadows which lie across the Aegean world ; but our evidence grows considerably in variety and shows more unmistakably some of the lines of change . 
Meaning of the word marked with <WSD> tags:  quantifier; used with either mass or count nouns to indicate the whole number or amount of or every one of a class