mid-15c., in music, from Latin minimus "smallest, least; minute, trifling, insignificant;" of time, "least, shortest, very short;" of age, "youngest;" as a noun, "least price, lowest price" (see minimum). Calligraphy sense is from c.1600.
minim min·im (mĭn'əm)
In the United States, a unit of volume equal to 1/60 of a fluid dram, or 0.0616 milliliters.
In Great Britain, 1/20 of a scruple, or 0.0592 milliliters.
The smallest or the least of several similar structures.