穆通

Mouton (name) / Gabriel Mouton (1618-1694), French clergyman and scientist, pioneer of the metric system

to go through / to know well / (suffix) expert / to connect / to communicate / open / to clear / classifier for letters, telegrams, phone calls etc

classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)

surname Mu

solemn / reverent / calm / burial position in an ancestral tomb (old) / old variant of 默