Echoes of greek architecture can be seen in a. washington, d. c. b. the proportions of man as illustrated by leonardo da vinci. c. egyptian bas-relief. d. the works of pablo picasso.

answer; the cubism of picasso and braque;

your word would be isle.

isle is an island or peninsula especially a small one.

if you add the letter "a" you get aisle, which is a passage between 2 rows of something like chairs, shelves, or something else.