- mullion (n.)
[mullion 词源字典]
- "vertical column between the lights of a window," 1560s, metathesis of Middle English moyniel (early 14c.), from Anglo-French moinel, noun use of moienel (adj.) "middle," from Old French meien "intermediate, mean" (see mean (adj.)). Related: Mullioned.[mullion etymology, mullion origin, 英语词源]