pan-youdaoicibaDictYouDict
word-forming element meaning "all, every, whole, all-inclusive," from Greek pan-, combining form of pas (neuter pan, masculine and neuter genitive pantos) "all," from PIE *pant- "all" (with derivatives found only in Greek and Tocharian).

Commonly used as a prefix in Greek, in modern times often with nationality names, the first example of which seems to have been Panslavism (1846). Also panislamic (1881), pan-American (1889), pan-German (1892), pan-African (1900), pan-European (1901), pan-Arabism (1930).
pantisocracy (n.)youdaoicibaDictYouDict
"ideal Utopian community in which all have equal rights," 1794, literally "equal rule of all," from Greek pantos, genitive of pan "all" (see pan-) + isocratia "equality of power" (see isocracy).
pantothenic (adj.)youdaoicibaDictYouDict
denoting a B-complex vitamin acid, 1933, from Greek pantothen "from all quarters, on every side," from panto-, comb. form of pantos, genitive of pan "all" (see pan-) + -ic. So called because it was found in so many sources.