
ETYMOLOGY
from lack + brain
EXAMPLE
“…Say you so, say you so, I say vnto you againe, you are a shallow cowardly hind, and you lie: what a lacke braine is this? by the Lord our plot is a good plot, as euer was laid, our friends true and constant: a good plot, good friends, and ful of expectation: an excellent plot, verie good friends; what a frosty spirited rogue is this?…”
From: Henry IV, Part I
By William Shakespeare, 1598