WHOLE CHARACTER
相xiāng, xiàng
each other; mutually (互相,相同); (of an action directed at someone) (相信,相烦); to look at personally, as in matchmaking (相亲,相中)
相 works both ways: xiāng each other (互相, 相信, 相同) and xiàng looks and images (照相, 相机).
ZDIC: 会意,从目、从木 — an eye looking at a tree: to examine; later 'mutually'.
LEFT: THE TREE (ZDIC 从木)
木mù
tree; wood
Tree/wood-related meaning clue.
In 相: left: the tree (ZDIC 从木) Shown with its documented or clearly limited role.
RIGHT: THE EYE (ZDIC 从目)
目mù
eye
Eye-related meaning clue; the standalone character means eye.
In 相: right: the eye (ZDIC 从目) Shown with its documented or clearly limited role.