- mica
- 1706, from L. mica "crumb, grain," originally *smika (form probably infl. by L. micare "to flash, glitter"), from PIE *sme(i)k- "ground grain, pulverized" (cf. Gk. smikros, Attic mikros "small;" O.H.G. smahi "littleness").
- micro-
- comb. form of Gk. mikros "small" (see mica).
- microcephalic
- 1856, from Fr. microcéphalique, from Mod.L. microcephalus, from Gk. mikros "small" (see mica) + kephale "head."