plainness
n.
c.1300, "flatness," from plain, adj. + -ness. Meaning "clarity" is mid-15c.; that of "open conduct" is from 1540s; that of "absence of ornament" is from 1580s.
| 词汇 | plainness | 
| 词根词缀 | Online Etymology Dictionary plainness n. c.1300, "flatness," from plain, adj. + -ness. Meaning "clarity" is mid-15c.; that of "open conduct" is from 1540s; that of "absence of ornament" is from 1580s. | 
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