Meaning

noun large sweet black or very dark purple edible aggregate fruit of any of various bushes of the genus Rubus

noun bramble with sweet edible black or dark purple berries that usually do not separate from the receptacle

verb pick or gather blackberries

originEtymology tree Old English blæcberġe Middle English blakberie English blackberry From Middle English blakberie, blakeberie (“brambleberry”), from Old English blacu berġe, blæcberġe (attested in plural blaca berġan, equivalent to black + berry.

Etymology from Wiktionary, CC BY-SA 3.0