From the Latin for "a foot and a half long" comes this adjective for one who uses er... a really long word
.... Pronunciation: 'er-(")gO, '&r- .... Etymology: Latin 
sesquipedalis, literally, a foot and a half long, from sesqui- + ped-, pes foot [DOC] [TLE] Extra Large Words For David [Archive] - SpeedGuide.net Broadband ... [PAR] Aug 25, 2001 ...