- ulcer (n.)[ulcer 词源字典]
- c. 1400, from Old French ulcere, from Vulgar Latin ulcerem, from Latin ulcus (genitive ulceris) "ulcer, a sore," figuratively "painful subject," from PIE *elk-es- "wound" (cognates: Greek elkos "a wound, sore, ulcer," Sanskrit Related: arsah "hemorrhoids").[ulcer etymology, ulcer origin, 英语词源]