姆指

姆指	mǔ zhǐ	erroneous variant of 拇指
姆	m1	used in 姆妈
姆	mǔ	(old) female tutor / used in 保姆
指	zhǐ	finger / to point at or to / to indicate or refer to / to depend on / to count on / (of hair) to stand on end