An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

1) A person who gives or makes laws.
2) A member of a legislative body (Dictionary.com).

From L. legis lator "proposer of a law," from legis, genitive of lex, → law, + lator "proposer," agent noun of latus "borne, brought, carried."

Qânungozâr, literally "he who places the law," from qânun, → law, + gozâr, present stem and agent noun of gozâštan "to place, put; perform; allow, permit," related to gozaštan "to pass, to cross," → trans-