Katabasis (other)
Katabasis or catabasis (, from 'down' and 'go') is a descent of some type, such as moving downhill, moving to a lower realm of existence, a military retreat, or a regression of some type. * Katabasis, a trip to the underworld or the land of the dead * Katabatic wind, cold winds that come from glacial mountains downward * Katabasia, a type of hymn in the Eastern Orthodox Church and Eastern Catholic Churches which follow the Byzantine Rite * ''Katabasis'', a 2025 novel by R. F. Kuang See also * Anabasis Anabasis (from Greek ''ana'' = "upward", ''bainein'' = "to step or march") is an expedition from a coastline into the interior of a country. Anabase and Anabasis may also refer to: History * '' Anabasis Alexandri'' (''Anabasis of Alexander''), ...

Katabasis
A katabasis or catabasis (; ) is a journey to the underworld. Its original sense is usually associated with Greek mythology and classical mythology more broadly, where the protagonist visits the Greek underworld, also known as Hades. The term is also used in a broad sense of any journey to the realm of the dead in other mythological and religious traditions. A katabasis is similar to a '' nekyia'' or necromancy, where one experiences a vision of the underworld or its inhabitants; a ''nekyia'' does not generally involve a physical visit. One of the most famous examples is that of Odysseus, who performs something on the border of a ''nekyia'' and a katabasis in book 11 of the ''Odyssey''; he visits the border of the realms before calling the dead to him using a blood rite, with it being disputed whether he was at the highest realm of the underworld or the lowest edge of the living world where he performed this. Overview The trip to the underworld is a mytheme of comparative mythol ...
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Katabatic Wind
A katabatic wind (named ) is a downslope wind caused by the flow of an elevated, high-density air mass into a lower-density air mass below under the force of gravity. The spelling catabatic is also used. Since air density is strongly dependent on temperature, the high-density air mass is usually cooler, and the katabatic winds are relatively cool or cold. Examples of katabatic winds include the downslope valley and mountain breezes, the piteraq winds of Greenland, the Bora in the Adriatic, the Bohemian Wind or ''Böhmwind'' in the Ore Mountains, the Santa Ana winds in southern California, the oroshi in Japan, or "the Barber" in New Zealand. Not all downslope winds are katabatic. For instance, winds such as the föhn and chinook are rain shadow winds where air driven upslope on the windward side of a mountain range drops its moisture and descends leeward drier and warmer. Mechanism A katabatic wind originates from the difference of density of two air masses located ...
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Katabasia
Katabasia or Katavasia (Greek καταβασία, from καταβαίον, "descend") is a type of hymn, and the last troparion of an ode of a canon, chanted in the Eastern Orthodox Church and those Eastern Catholic Churches which follow the Byzantine Rite. Its name is derived from the Greek word ''katabasia'' for descent, so called because the cantors used to descend from their kliroses (choir stands) and unite in the middle of the church to sing them. The katabasia is an irmos that is sung at the end of an ode of the canon. The katabasia is chanted by the choir, who descend from their seats (''kathismata'') and stand on the floor of the church to sing it, whence its name. Katabasia are chanted at Matins and sometimes during other Divine Services such as Compline. They are also found at other occasional services such as the Mystery of Unction or funerals. At Matins, on ordinary weekdays, only Odes 3, 6, 8 and 9 have katabasia. On Sundays and higher-ranking feast days, there will ...
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