formerly also enterfere, mid-15c., enterferen, "intermingle or mix (different things), interpose," also "to interfere," from Old French enterferer "exchange blows, strike each other," from entre- "between" (see entre-) + ferir "to strike," from Latin ferire "to knock, strike," related to Latin forare "to bore, pierce" (from PIE root *bhorh- "hole"). Compare punch (v.), which has both the senses "to hit" and "to make a hole in").
Figurative sense of "to meddle with, oppose unrightfully" is from 1630s. Related: Interfered; interfering. Modern French interférer is from English.
It forms all or part of: bore (v.1) "to drill through, perforate;" Boris; burin; foramen; Foraminifera; foraminous; interfere; interference; perforate; perforation.
It is the hypothetical source of/evidence for its existence is provided by: Greek pharao "I plow;" Latin ferire "to knock, strike," forare "to bore, pierce;" Lithuanian barti "to scold, accuse, forbid;" Old Church Slavonic barjo "to strike, fight," brati "to fight," Russian borot "to overpower;" Albanian brime "hole;" Old English borian "to bore through, perforate," Old Norse berja "to beat, hit," Old High German berjan "to hit, pound, knead."
late 14c., "serve up (food) in portions," from mess (n.). Intransitive meaning "to share a mess, take one's meals in company with others" is from 1701; that of "make a mess of, disorder" is by 1853. Related: Messed; messing. To mess with "interfere, get involved" is by 1903; to mess up "make a mistake, get in trouble" is from 1933 (earlier "make disorderly, make a mess of," by 1892), both originally American English colloquial.