bang

The story

1. Proto-Germanic*bangōną
2. Old English*bangian
3. Old Norsebanga
4. Middle English*bangen
5. English todaybang

From Middle English *bangen, from Old English *bangian or borrowed from Old Norse banga (“to pound, hammer”); both from Proto-Germanic *bangōną (“to beat, pound”), from Proto-Indo-European *bʰen- (“to beat, hit, injure”). Cognates Cognate with Scots bang, bung (“to strike, bang, hurl, thrash, offend”), Icelandic banga (“to pound, hammer”), Old Swedish bånga ("to hammer"; whence modern Swedish banka (“to knock, pound, bang”)), Danish banke (“to beat”), bengel (“club”), Low German bangen, bangeln (“to strike, beat”), West Frisian bingel, bongel, Dutch bengel (“bell; rascal”), German Bengel (“club”), bungen (“to throb, pulsate”). In the sense of a fringe of hair, from bang off. In the sense of abrupt left turn, from Boston left and associated risk of a crash.

First known use, by meaning

• from 20th c. An injection, a shot (of a narcotic drug).