At the last
'achariyth (akh-ar-eeth')
the last or end, hence, the future; also posterity -- (last, latter) end (time), hinder (utter) -most, length, posterity, remnant, residue, reward.
it biteth
nashak (naw-shak')
to strike with a sting (as a serpent); figuratively, to oppress with interest on a loan -- bite, lend upon usury.
like a serpent
nachash (naw-khawsh')
a snake (from its hiss) -- serpent.
and stingeth
parash (paw-rash')
to separate, literally (to disperse) or figuratively (to specify); also (by implication) to wound -- scatter, declare, distinctly, shew, sting.
like an adder
tsepha` (tseh'-fah)
from an unused root meaning to extrude; a viper (as thrusting out the tongue, i.e. hissing) -- adder, cockatrice.