1. mica — de Vaan
mica 'grain, crumb' [f. a] (Cato+) Pit. *meik-a-. PIE *meik-h2- 'blinking*. Nyman 1987 shows that mica originally referred to a 'grain of salt1, and subsequently to any 'glittering crystal(line) particle*. These semantics lead him to derive mica from the same root as micare 'to quiver, dart, flash*, viz. as the 'glittering* particle. This explanation is formally more attractive that the traditional connection with … — [de Vaan, s.v. mica, p. 392]