Pinky
来自Big Physics
early 19th century: pinkie (sense 1) partly from Dutch pinkje ‘the little finger’, reinforced by pink1.
wiktionary
From pink + -y.
From Dutch pinkje, diminutive of Dutch pink(“little finger”). Cognate with West Frisian pinke(“pinky”), dialectal English pink(“something small or tiny”), and perhaps to Old English pinca(“a point”). Compare also German Low German Pink(“penis”), English pintle(“penis”).
pink + -y, from pink(“to wink”).
etymonline
pinky (adj.)
"pinkish, somewhat pink," 1790, from pink (n.) + -y (2).
