
English word lumberjack comes from English jack, English lumber
jack (English)
(UK, dialect, obsolete) A drinking measure holding half a pint or, sometimes, a quarter of a pint.. (archaic) A knave (a servant or later, a deceitful man).. (card games) A playing card with the letter "J" and the image of a knave or prince on it, the eleventh card in a given suit. Also called a knave.. (colloquial, euphemistic) Nothing, jack shit.. (cricket) The eleventh batsman to come to [...]
lumber (English)
(intransitive) To move clumsily and heavily.. (transitive, with with) To load down with things, to fill, to encumber, to impose an unwanted burden on. To fill or encumber with lumber.. To heap together in disorder. (North America, uncountable) Wood intended as a building material.. (UK) Useless things that are stored away. (baseball, slang) A baseball bat. (obsolete) A pawnbroker's shop, or [...]
lumberjack (English)
(transitive) To work as a lumberjack, cutting down trees. A lumberjacket.. A person whose work is to fell trees.