been

Etymology 1

From Middle English been (past participle), from Old English (ġe)bēon.

verb

1. past participle of be.
   All the fries have been eaten.
   They been here since yesterday. (dialectal, e.g. AAVE, omitting have)
2. (Southern US or African-American Vernacular) remote past form of be.
   He been had that job.
   We been knew they was doing this.
   She was disloyal, Casper was disloyal, so them muthafuckas gotta go. Like you said[,] we been knew we was going to have to kill Frost, so let's do it and Light too.” Star said. “Say no more. I'ma handle Kisha myself.” Max said walking to the door. 2013, DayQuan Miller, Back Blocks, StealthMode Entertainment, page 147

Etymology 2

Either from Middle English been (“to be”, infinitive) (from Old English bēon), or from a dialectal use of the preceding past tense form as an infinitive form (compare dialectal use of (I)'s, (I) is in the first person, (he) am in the third person, etc).

verb

1. (Southern US or African-American Vernacular, rare) Synonym of be (infinitival sense).
   It useta been five foot long.
   "Bones", says he, "I tink dey's a-goin' to been a war ober de Alabamy question[…] 1875, Minstrel Gags and End Men's Hand-book, New York: Dick and Fitzgerald, page 83; republished New York: Literature House, 1969
   Yur a boald 'un to tell the missus theer to hur feeace as how ya wur 'tossicatit whan ya owt to been duing yur larful business. 1888, Mary Augusta Ward, “Book I”, in Robert Elsmere, London: Macmillan and Company, page 20
   […]But one time it use' to been so cold right first of the winter. 1966, DARE Tape SC10, quotee, “be v”, in Frederic G. Cassidy, Joan Houston Hall, editors, Dictionary of American Regional English, volume 1, Harvard University Press, published 1985, page 178

Etymology 3

From Middle English been (plural indicative form).

verb

1. (obsolete) plural simple present of be.
   My love is fair, my love is gay, As fresh as been the flowers in May; 1584, George Peele, The Arraignment of Paris, I, ii
   O Friar, those are faults that are not seen, Ours open, and of worse example been. 1641, Ben Jonson, The Sad Shepherd, I, iii
   Some of green Boughs their slender Cabbins frame, / Some lodged were Tortoſa's streets about, / Of all the Hoſt the Chief of Worth and Name / Aſſembled been, a Senate grave and ſtout; 1686, Edward Fairfax, transl., Godfrey of Bulloigne: Or, The Recovery of Jerusalem, section 20, page 8

Etymology 4

noun

1. (UK dialectal) plural of bee