em
n.
name of the letter M, c.1200, from Latin; the Greek name was mu. In printing, originally the square corresponding in dimensions to the capital M of that type.
| 词汇 | em | 
| 词根词缀 | Online Etymology Dictionary em n. name of the letter M, c.1200, from Latin; the Greek name was mu. In printing, originally the square corresponding in dimensions to the capital M of that type. | 
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