stipple (v.) Look up stipple at Dictionary.com
"paint with dots," 1670s, from Dutch stippelen "to make points," frequentative of stippen "to prick, speckle," from stip "a point," perhaps ultimately from PIE root *st(e)ig- "pointed" (see stick (v.)), or from *steip- "to stick, compress." Related: Stippled; stippling.