Etymology
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bush league (adj.)
"mean, petty, unprofessional," 1906, from baseball slang for the small-town baseball clubs below the minor league where talent was developed (by 1903), from bush (n.) in the adjectival slang sense of "rural, provincial," which originally was simple description, not a value judgment.
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amyotrophic lateral sclerosis (n.)

sclerosis of the spinal cord, causing atrophy of the muscles, 1874, in translations from French. Amyotropic is compounded from Greek elements: a- "not, without" (see a- (3)) + combining form of mys "muscle" (see muscle (n.)) + trophikos "feeding," from trophe "nourishment" (see -trophy). Also ALS, and often known in U.S. as Lou Gehrig's disease, after the New York Yankees baseball player who was diagnosed with it in 1939 and died of it in 1941.

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