"supercontinent of the late Paleozoic era," 1924, from Greek pan- "all" (see pan-) + gaia "earth" (see gaia). First attested in German, 1920, in Alfred Wegener's "Die Entstehung der Kontinente und Ozeane" (not found in 1914 first edition, according to OED).
panelling
panem et circenses
panettone
panfish
pang
Pangaea
Panglossian
pangolin
panhandle
panhandler
Panhellenic