Merriam-Webster's Collegiate® Dictionary, 11th Edition
LOUT
I. intransitive verb
Etymology: Middle English, from Old English lūtan; akin to Old Norse lūta to bow down Date: before 12th century to bow in respect, submit , yield ,
II. noun
Etymology: perhaps from 1lout
Date: 1542
an awkward brutish person,
III. transitive verb
Date: circa 1530
to treat as a lout ; scorn