Duende meant `hobgoblin,' `sprite,' or `ghost' in Spanish for a long time, but it is not known when it acquired its artistic coloration.
( ( ( ( ( Duende ( ( meant ( ( ` ( hobgoblin ( , ( ' ( ` ( sprite ( , ( ' ( or ( ` ( ghost ' ) ) ) ) ) ) ) ) ) ) ) ( in Spanish ) ) ) ( for ( a ( long time ) ) ) ) ) , ) but ) ( it ( ( is not ) ( known ( when ( it ( acquired ( its ( artistic coloration ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Duende)) (VP (VBD meant) (PP (NP (`` `) (NN hobgoblin) (, ,) ('' ') (`` `) (NN sprite) (, ,) ('' ') (CC or) (`` `) (NN ghost) ('' ')) (IN in) (NP (NNP Spanish))) (PP (IN for) (NP (DT a) (JJ long) (NN time))))) (, ,) (CC but) (S (NP (PRP it)) (VP (VBZ is) (RB not) (VP (VBN known) (SBAR (WHADVP (WRB when)) (S (NP (PRP it)) (VP (VBD acquired) (NP (PRP$ its) (JJ artistic) (NN coloration)))))))) (. .)))
Duende usually means a ghost in most cases.
( Duende ( usually ( ( means ( ( a ghost ) ( in ( most cases ) ) ) ) . ) ) )
(ROOT (S (NP (NNP Duende)) (ADVP (RB usually)) (VP (VBZ means) (NP (NP (DT a) (NN ghost)) (PP (IN in) (NP (JJS most) (NNS cases))))) (. .)))