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词汇 integument
词源

integument n.

1610s, from Latin integumentum "a covering," from integere "to cover over," from in- "in, upon" (from PIE root *en "in") + tegere "to cover" (from PIE root *(s)teg- "to cover"). Specific sense in biology is from 1660s.

updated on December 10, 2020

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