An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 2 Search : category
category
  کتاگر   
katâgor

Fr.: catégorie   

1) A group of things that are similar in some way.
2a) Philo.: In Aristotelian logic, any of the ten different ways (substance, quantity, quality, relation, place, time, position, possession, doing, and undergoing) in which the subject of a proposition may relate to its predicate. For example, the proposition "All men are mortal" belongs to the Category of Quality since it tells us what "all men" are like, namely mortal.
2b) Philo.: In Kant's system, any of the twelve (four groups of three each) pure concepts of the understanding that constitute necessary conditions of experience and correspond with the classes of judgements treated in formal logic. According to Kant, the categories are results of the mind's activity, and are distinguished from sensation. The categories have, furthermore, like space and time relations, a peculiar universality. They are, in other words, a priori.
3) Math.: An entity consisting of a class of objects and a class of → morphisms between those objects that satisfy certain properties.

M.Fr. catégorie, from L.L. categoria, from Gk. kategoria, from kategorein "to speak against; to accuse, assert, predicate," from kata "down, against, back," → cata-, + agorein "to speak before public assembly," from agora "marketplace, public square" (from ageirein "to gather"); cognate with L. grex, gregis "herd, troop, crowd;" Skt. gramah- "heap, crowd, community;" Old Icelandic kremja "to squeeze;" O.E. crammian "to cram;" Latvian  gùrste "bundle of flask;" Polish garnac "to gather;" Russ. gorst' "cupped hand;" cf. Pers. gor-, gal-, etc., as below; PIE base *ger- "to gather."

Katâgor, from katâ-, → cata-, + gor- "to gather," ultimately from PIE *ger-, as above. We put forward that the following Iranian words derive from the above PIE base *ger- "to gather":
goruh "crowd, troop, band;"
gallé (conversion of r to l) "herd, flock;"
jarra (Laki) "group; stick bundle;"
gerd in gerd âvardan "to collect, bring together" probably not related to gerd "round, circular;"
xalam (štiyâni) "herd, flock;"
xelima (Qâyeni) "herd;"
korand, korang "a ring made by hunters or troops;"
korka (Laki) "bundle of harvested ears of wheat;"
gola, golé "bundle of hair; bunch"
gola-gâh "place of gathering;"
gurâb "market place in a village, agora;"
There are dozens of villages all-over Iran named Gorâb, Gurâb, Gela, Gola, Gala and their combinations with other words (e.g. Galadeh, Galazan, Galavand) that probably refer to places of gathering.
One can also mention village names such as Agora, Gore, Gere(kalâ), Garaku, Oger, and so on in Mâzandarân;
Khotanese (prefixed ham-) gris "to assemble."

category theory
  نگره‌ی ِ کتاگر   
negare-ye katâgor

Fr.: théorie des catégories   

A theory that deals with the concept of → category and generalizes the → set theory.

category; → theory.