"one practicing as an advocate in English courts of law," 1540s, from bar (n.3) in the legal sense + -ster. Also see attorney. The middle element is obscure. Related: Barristerial.

gwerə-, Proto-Indo-European root meaning "heavy."

It forms all or part of: aggravate; aggravation; aggrieve; bar (n.4) "unit of pressure;" bariatric; baritone; barium; barometer; blitzkrieg; brig; brigade; brigand; brigantine; brio; brut; brute; charivari; gravamen; grave (adj.); gravid; gravimeter; gravitate; gravity; grief; grieve; kriegspiel; guru; hyperbaric; isobar; quern; sitzkrieg.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit guruh "heavy, weighty, venerable;" Greek baros "weight," barys "heavy in weight," often with the notion of "strength, force;" Latin gravis, "heavy, ponderous, burdensome, loaded; pregnant;" Old English cweorn "quern;" Gothic kaurus "heavy;" Lettish gruts "heavy."

exercise device, 1870, from bar (n.1) + ending from dumb-bell.

1859, "action of barring; man-made barrier in a stream" (for irrigation, etc.), from French barrer "to stop," from barre "bar," from Old French barre (see bar (n.1)).

The artillery sense is attested by 1916, from World War I French phrase tir de barrage "barrier fire" intended to isolate the objective. As a verb by 1917. Related: Barraged; barraging.

1876, in reference to chords played on a guitar, etc., with the forefinger pressed across all strings to raise the pitch, from French barré "bar" (see bar (n.1)).

"bar clip for women's hair," 1901, from French barrette, diminutive of barre "bar" (see bar (n.1)).

"anything meant to obstruct entrance," early 14c., barere, from Anglo-French barrere, Old French barriere "obstacle, gatekeeper," from barre "bar" (see bar (n.1)). Earliest known record of barrier reef is from 1805.

also cross-bar, "a transverse bar, bar laid or fixed transversely on another or others," mid-15c., from cross- + bar (n.1).

also crow-bar, "bar of iron with a wedge-shaped end," 1748, with bar (n.1), earlier simply crow (c. 1400); so called from its "beak" or from resemblance to a crow's foot; or possibly it is from crows, from Old French cros, plural of croc "hook."

early 15c., "to shut out, exclude" (from a place), also "prevent, prohibit" (an action), from French débarrer, from Old French desbarer (12c., which, however, meant only "to unbar, unbolt," from des- "do the opposite of" (see dis-) + barrer "to bar," from barre "bar" (see bar (n.1)). The meaning turned around in French as the de- was felt in a different sense, perhaps as an intensifier. Related: Debarment; debarred.