Answer:
The English word 'hem' has several senses: 1: fold over and sew together to provide with a hem; 2: the edge of a piece of cloth; especially the finished edge that has been doubled under and stitched down; 3: utter `hem' or `ahem'; 4: the utterance of a sound similar to clearing the throat; intended to get attention, express hesitancy, fill a pause, hide embarrassment, warn a friend, etc.