"to shut up or stop up so as to prevent anything from passing through," 1590s, from Latin occludere (past participle occlusus) "shut up, close up," from assimilated form of ob "in front of, against" (see ob-) + claudere "to shut, close" (see close (v.)). Of teeth, "come in contact with another tooth," 1888. Related: Occluded; occluding.
also résumé, 1804, "a summary, summing up, recapitulation," from French résumé, noun use of past participle of resumer "to sum up," from Latin resumere "take again, take up again" (see resume (v.)). Meaning "biographical summary of a person's career" is 1940s.