From the Greek for "together" & "name", it means having the same meaning
Yes you CAN clip something together or unclip it, however you can also
... [DOC] [TLE] Pleonasm - Wikipedia [PAR] Pleonasm is the use of more words or parts of words than is necessary or 
sufficient for clear ... Often, pleonasm is understood to mean a word or phrase 
which is useless, ...