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.
integral
integrate
integrated
integration
integrity
integument
integumentary
intellect
intellection
intellectual
intellectualism
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