1605, from L.
legis lator "proposer of a law," from
legis, gen. of
lex "law" +
lator "proposer," agent noun of
latus "borne, brought, carried," used as past tense of
ferre "to carry" (see
infer).
Legislative is from 1651;
legislation is from 1655;
legislature is 1676.
Legislate is a back-formation first recorded 1805.