Touchy
来自Big Physics
early 17th century: perhaps an alteration of tetchy, influenced by touch.
wiktionary
From a later variant of tachy, techy, teachie, tetchy, simulating touch + -y. More at tetchy.
etymonline
touchy (adj.)
"apt to take offense at slight provocation," c. 1600, perhaps an alteration of tetchy (q.v.) influenced by touch (v.). Related: Touchiness.
