περιφέρεια
periphereia

Greek noun

Last edited: 2025-03-24
Primary meaning circumference
Literal translation circumference
Variants
περιφέρεια periphereia
περιφερείη periphereiē
Edited by
circumference geometrical concept
arc mathematical entity

Ἐπιζητεῖται δὲ ἐν τούτοις, πῶς ἴσων ὄντων τῶν τεταρτημορίων τοῦ ζῳδιακοῦ κύκλου ὁ ἥλιος ἰσοταχῶς κινούμενος διὰ παντὸς ἐν ἀνίσοις χρόνοις διαπορεύεται τὰς ἴσας περιφερείας.

‘And it is a matter of question concerning these things: how - while the fourth parts of the zodiac are equal - does the sun, moving through each of them at constant speed, pass equal arcs in unequal times?’

— Geminus 1.18

Genre: astronomy
Date: 1st century BCE

Geminus. 1975. Géminos, Introduction aux Phénomènes, ed. G. Aujac. Paris: Les Belles Lettres. 5

Cite this entry
APA (7th)
Peeters, T. (2025). περιφέρεια (Lemma #1296). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1296/
Chicago (Author-Date)
Peeters, T. (2025). περιφέρεια (Lemma #1296). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1296/
MLA (9th)
Peeters, T. (2025). περιφέρεια (Lemma #1296). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1296/
Harvard
Peeters, T. (2025) περιφέρεια (Lemma #1296), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/1296/ (Accessed: February 2, 2026).
BibTeX 
@misc{zodiac1296,
	note = {[Online; accessed 2026-02-02]},
	author = {Peeters, Thomas},
	year = {2025},
	title = {περιφέρεια ({Lemma} #1296)},
	url = {https://zodiacglossary.github.io/lemma/1296/},
	howpublished = {https://zodiacglossary.github.io/lemma/1296/},
}