προκαταδύνω
prokatadunō

Greek verb

Last edited: 2024-06-10
Primary meaning to set earlier
Literal translation to set
Variants
προκαταδύνω prokatadunō
προκαταδύομαι prokataduomai
Edited by

to set earlier astronomical event

Τούτου δὲ πάλιν τὸ μὲν τι καλεῖται ἑσπερία ἐπικατάδυσις φαινομένη, ὅταν ὁ ἀστὴρ ἀρχόμενος κρύψιν ποιεῖσθαι μετὰ τὸν ἥλιον εὐθὺς αὐτὸς καταδύνῃ, τὸ δέ τι καλεῖται ἑσπερία συγκατάδυσις ἀληθινή, ὅταν ὁ ἀστὴρ ἅμα καὶ κατὰ τὸ αὐτὸ τῷ ἡλίῳ καταδύνῃ, τὸ δέ τι καλεῖται ἑσπερία πρόδυσις μὴ φαινομένη, ὅταν ὁ ἀστὴρ ἀρχόμενος ἐπιτολὴν ποιεῖσθαι προκαταδύνῃ τοῦ ἡλίου.

‘And from this again, one is called evening appearing following setting, when the star beginning to make its disappearance sets itself immediately after the sun, and another one is called evening apparent simultaneous setting, when the star sets together with and at the same time as the sun, and yet another one is called evening non-appearing leading setting, when the star beginning to make its heliacal rising sets earlier than the sun.’

— Ptolemy, Almagest 8.4

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. 193


Cite this entry
APA (7th)
Peeters, T. (2024). προκαταδύνω (Lemma #491). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/491/

Chicago (Author-Date)
Peeters, T. (2024). προκαταδύνω (Lemma #491). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/491/

MLA (9th)
Peeters, T. (2024). προκαταδύνω (Lemma #491). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/491/

Harvard
Peeters, T. (2024) προκαταδύνω (Lemma #491), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/491/ (Accessed: December 1, 2025).

BibTeX
@misc{zodiac491,
	note = {[Online; accessed 2025-12-01]},
	author = {Peeters, Thomas},
	year = {2024},
	title = {προκαταδύνω ({Lemma} #491)},
	url = {https://zodiacglossary.github.io/lemma/491/},
	howpublished = {https://zodiacglossary.github.io/lemma/491/},
}