Etymology

Continuing the late OE n. wrang ‘wrong, injustice’, usually derived from ON, which has a common adj. formed on the verbal root *wrang- (see wrange (adj.)), though the English word could alternatively represent a native reflex (see SPS 366-7).

PGmc Ancestor

*wrang- 

Proposed ON Etymon (OIcel representative)

vrangr, rangr ‘awry, not straight; wrong, unjust, unrighteous’
(ONP rangr (adj.))

Other Scandinavian Reflexes

Far rangur, Icel rangr, Norw vrang, rang, Dan vrang, Sw vrång

OE Cognate

cp. ?wrang (adj.) 'rough, uneven'

Phonological and morphological markers

Summary category

C1

Attestation

First attested in late OE (see Hofmann §281, Peters 91, SPS 466-7), and common and widespread throughout ME (see MED). 

Occurrences in the Gersum Corpus

Pe 15, 631; Cl 76; Pat 376; Erk 243; WA 2812

Morris reads a further instance at Pe 558.

Bibliography

MED wrong (n.2) , OED wrong (n.2) , HTOED , HTOED ; see further wrang (adj.).