An Etymological Dictionary of Astronomy and Astrophysics

A prefix meaning “all, whole,” used as a general formative (panorama; pantelegraph; pantheism; pantonality), and especially in terms implying the union of all branches of a group (Pan-Christian; Pan-Hellenic; Pan-Slavism).

Etymology (EN): From Gk. pan-, combining form of pas (neuter pan) “all, every,” of unknown origin.

Etymology (PE): Pân- loan from Gk., as above.
Sarâsar- “all, entirely, the whole,” literally “from beginning to end; from one end to the other,” from sar “head” + -â- epenthetic vowel + sar. The main word sar is related to soru, sorun “horn”
(karnâ “a trumpet-like wind instrument,” variant sornâ “a wind instrument”);
Mid.Pers. sar “head,” sru “horn;” Av. sarah- “head,” srū- “horn, nail;” cf. Skt. śiras- “head, chief;” Gk. kara “head,” karena “head, top,” keras “horn;”
L. cornu “horn,” cerebrum “brain;”
P.Gmc. *khurnaz (Ger. Horn, Du. horen; cognate with E. horn, as above, from PIE *ker- “head, horn;”
O.E. horn “horn of an animal,” also “wind instrument;”
E. horn); PIE base *ker- “head, horn, top, summit.”
Hamé-, → all.