poisonous
adj.
1570s, from poison, n. + -ous. Failed 16c. rivals were poisonsome, poisonful, poisony. Earlier poisoned was used (late 15c.). Related: Poisonously; poisonousness.
| 词汇 | poisonous | 
| 词根词缀 | Online Etymology Dictionary poisonous adj. 1570s, from poison, n. + -ous. Failed 16c. rivals were poisonsome, poisonful, poisony. Earlier poisoned was used (late 15c.). Related: Poisonously; poisonousness. | 
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