- acme (n.)
[acme 词源字典] - "highest point," 1560s, from Greek akme "(highest) point, edge; peak of anything," from PIE root *ak- "sharp" (see acrid). Written in Greek letters until c. 1620. The U.S. grocery store chain was founded 1891 in Philadelphia, Pennsylvania.[acme etymology, acme origin, 英语词源]
