ὁ ἐν τῷ ὀπισθομήρῳ
ho en tōi opisthomērōi

Greek noun

Last edited: 2025-04-28
Primary meaning ρ Arietis
Literal translation The star in the back of the thigh
Variants
ὁ ἐν τῷ ὀπισθομήρῳ ho en tōi opisthomērōi
Edited by
ρ Arietis star

ὁ ἐν τῷ ὀπισθομήρῳ

‘The star in the back of the thigh [ρ Arietis]’

— Ptolemy, Almagest 7

Genre: astronomical treatise
Date: 2nd century CE

Ptolemy. 1903. Claudii Ptolemaei opera quae exstant omnia volumen I, Syntaxis Mathematica Pars II, Libros VII-XIII continens, ed. J.L. Heiberg. Leipzig: B.G. Teubner. 84–129

Cite this entry
APA (7th)
Meinhardt, K. (2025). ὁ ἐν τῷ ὀπισθομήρῳ (Lemma #5911). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/5911/
Chicago (Author-Date)
Meinhardt, K. (2025). ὁ ἐν τῷ ὀπισθομήρῳ (Lemma #5911). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/5911/
MLA (9th)
Meinhardt, K. (2025). ὁ ἐν τῷ ὀπισθομήρῳ (Lemma #5911). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/5911/
Harvard
Meinhardt, K. (2025) ὁ ἐν τῷ ὀπισθομήρῳ (Lemma #5911), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/5911/ (Accessed: February 2, 2026).
BibTeX 
@misc{zodiac5911,
	note = {[Online; accessed 2026-02-02]},
	author = {Meinhardt, Kierán},
	year = {2025},
	title = {ὁ ἐν τῷ ὀπισθομήρῳ ({Lemma} #5911)},
	url = {https://zodiacglossary.github.io/lemma/5911/},
	howpublished = {https://zodiacglossary.github.io/lemma/5911/},
}