"immediate object in perception," 1837, from Latin perceptum "(a thing) perceived," noun use of neuter past participle of percipere "to perceive" (see perceive). Formed on model of concept.

"of or pertaining to perception," 1852, from percept + -ual as in factual. Related: Perceptually.

early 15c., "perceptive, capable of perceiving," from Old French perceptible and directly from Late Latin perceptibilis "perceptible," from Latin percept-, past-participle stem of percipere (see perceive). Meaning "capable of coming under the cognizance of the senses" is from c. 1600. Related: Perceptibly; perceptibility.

also kung-fu, 1966, a generalized Western term for Chinese martial arts, from dialectal Chinese kung fu, a term said to refer to any skill acquired through learning or practice.

1650s, "covered with scurf," from scruff "dandruff, scurf" (late Old English variant of scurf) + -y (2). The generalized sense of "rough and dirty" is by 1871 ("Mark Twain"). Related: Scruffily; scruffiness.

"of or pertaining to the act or power of perceiving," 1650s, from Latin percept-, past-participle stem of percipere (see perceive) + -ive. In reference to intelligence from 1860. From mid-15c. as the name of a type of optical instrument or magic glass revealing future events. The older word in the mental sense was perceptible (q.v.); also compare Middle English perceivaunt "observant" (late 14c.), from Old French and Medieval Latin. Related: Perceptively; perceptiveness.