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词汇 sessile
词源

sessile adj.

1725, "adhering close to the surface," from Latin sessilis "pertaining to sitting, for sitting on," from sessus, past participle of sedere "to sit" (from PIE root *sed- (1) "to sit"). In botany, of leaves, etc., "attached without any apparent projecting support," from 1753. Meaning "sedentary," of certain animals fixed to one spot, is recorded by 1860.

updated on June 12, 2022

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