シュ, ス, まも.る, まも.り, もり, もり, かみ, う, し, も, て
guard, protect, defend, obey
JLPT3 G3 S6 F457
Originally, 又# hand/action indicator + a covering element → enclose/surround to *defend* or *protect* → *guard*; *watch* → *govern*; *observe* (a tradition); *maintain* (a position); *keep* (one's word); *stick to*. Also, *protector*, *keeper* and *babysitter*. Later, 又 was replaced by 寸, also a hand/action indicator.
[Full Kanji Etymology List]