From the book
Stobaeus, Volume I
John Stobaeus · Diotimos Editions · 2026
Browse this book’s lexicon →Orientation
At a Glance
- The wordIsēmeria is an equinox, defined through equality of day and night.
- In StobaeusThe seasonal definitions place one equinox in spring and one in autumn.
- In this editionTranslate the noun “equinox” and the relevant adjectival circle “equator.”
- A place to beginEquinoxes are defined as occasions when night and day are equal.
- English renderings
- equinox; equinoctial
Meaning
Isēmeria is an equinox, defined through equality of day and night. The related adjective isēmerinos can identify the equinoctial circle, or equator.
Use in the book
The seasonal definitions place one equinox in spring and one in autumn. The account of five celestial circles uses the adjective for the equator between the tropics. An event in the annual cycle and a circle of the sky are related but distinct referents.
Places to read
Translation in this edition
Translate the noun “equinox” and the relevant adjectival circle “equator.”
Source note
Wachsmuth, volume I, printed pp. 106–107, 201. The arctic and antarctic circles in the same list concern visibility for an observer; they are not simply modern geographical polar circles.