絵図 is read as えず (ezu) and means illustration.
えず
ezu
えちず
pictorial map
えずめん
a plan
くにえず
provincial maps of Japan (Edo period)
まちえず
town map (Edo period)
たちえず
building diagram
むらえず
map of villages (Edo period)
えどえず
map of Edo
じごくえず
painting of a scene in Hell
ずえ
drawing
えはがき
picture postcard
かいが
painting
えほん
picture book