E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Bite.
A cheat; one who bites us. The biter bit explains the origin. We say a man was bitten when he burns his fingers meddling with something which promised well but turned out a failure.
1
To bite the dust, as Their enemies shall bite the dust, i.e. be slain in battle.