Barn is compounded from the Old English words beren `barley' + ern `house.
( Barn ( ( is ( ( ( compounded ( from ( ( ( the ( ( Old English ) ( words beren ) ) ) ` ) ( ( barley ' ) ( + ern ) ) ) ) ) ` ) house ) ) . ) )
(ROOT (S (NP (NNP Barn)) (VP (VBZ is) (VP (VBN compounded) (PP (IN from) (NP (NP (DT the) (ADJP (NNP Old) (NNP English)) (NNS words) (NN beren)) (`` `) (NP (NP (NN barley) (POS ')) (JJ +) (NN ern)))) (`` `) (NP (NN house)))) (. .)))
Barn is an old word
( Barn ( is ( an ( old word ) ) ) )
(ROOT (S (NP (NNP Barn)) (VP (VBZ is) (NP (DT an) (JJ old) (NN word)))))