exortus

Latin · noun

Edited by: Kierán Meinhardt
Last edited: 2026-10-25

Meanings

1. heliacal rising

2. ascendant

Literal translation

rising

1. heliacal rising

1.a heliacal rising stellar phenomenon

At Nilus ante exortum Caniculae augetur mediis aestibus ultra aequinoctium.

‘But the Nile increases from the middle of the summer, before the rise of the Dog Star, to beyond the equinox.’

— Seneca, Natural Questions 4a.1.2

Genre: philosophy Date: 62/63 CE

Seneca. Natural Questions, Volume II: Books 4-7. Translated by Thomas H. Corcoran. Loeb Classical Library 457. Cambridge, MA: Harvard University Press, 1972. 20-21

2. ascendant

2.a ascendant astrological position, astrological cardine

quae pars exortum vel quae fastigia mundi obtineat summi demersosve aequoris undis auferat occasus aut imo sederit orbe.

‘the degree in which the ascendant or that in which the summit of the sky on high is situated, or that by which, sinking into the waters of the deep, the setting is appropriated, or that which rests on the circle’s bottom.’

— Manilius, Astronomica 3.216 ff

Genre: astrological treatise

Manilius. Astronomica. Edited and translated by G. P. Goold. Loeb Classical Library 469. Cambridge, MA: Harvard University Press, 1977. 178-179

Cite this entry

APA (7th)

Meinhardt, K. (2026). exortus (Lemma #1819). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1819/

Chicago (Author-Date)

Meinhardt, K. (2026). exortus (Lemma #1819). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1819/

MLA (9th)

Meinhardt, K. (2026). exortus (Lemma #1819). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1819/

Harvard

Meinhardt, K. (2026) exortus (Lemma #1819), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/1819/ (Accessed: November 5, 2026).

BibTeX

@misc{zodiac1819,
	note = {[Online; accessed 2026-11-05]},
	author = {Meinhardt, Kierán},
	year = {2026},
	title = {exortus ({Lemma} #1819)},
	url = {https://zodiacglossary.github.io/lemma/1819/},
	howpublished = {https://zodiacglossary.github.io/lemma/1819/},
}