MEANING: noun: An expression of praise, joy, or triumph, typically in the form of a song.
verb tr.: To make such an expression.

ETYMOLOGY: From Latin paean, from Greek paian (hymn of thanksgiving to Apollo), after Paian, Paion (epithet of Apollo in the hymn). Earliest documented use: 1592.

P.A. DAN - few people know he was a Physicians Assistant before he became Doctor Dan, the Band-Aid Man

PANE AN - designating the top row, fourteenth window over

PRE-AN- - in the encyclopedia, that would be AM, yes?