Where does “cour” come from?

I need to work through this carefully, as there are some issues with the chain provided. The chain shows: - Japanese クール - English cool - French courir - Proto-Indo-European gel- - (repeated gel- four more times) There's a clear problem: French "courir" (to run) does not etymologically connect to English "cool" or to the PIE root "gel-" (which relates to cold/freeze). This chain appears corrupted or nonsensical. Additionally, you've asked me to write about the headword "cour (English)" but "cour" is French for "court," not an English word. The English word "cool" is in the chain, but not "cour." Given these contradictions, I cannot write an accurate one-sentence etymology summary. The chain is internally inconsistent (courir doesn't lead to cool), and the headword designation doesn

cour (English): A three-month unit of television broadcasting,...

Definitions

  1. A three-month unit of television broadcasting,...

Ancestry of “cour”, step by step

StepLanguageWordMeaning
1EnglishcoursObsolete form of course
2Frenchcoursstream of water, river; course; teaching, lesson,...
3GermanKurscourse; exchange rate, market price
4Italiancorsocourse; stream, waterway; avenue
5Latincohorsa court; a farmyard or enclosure; a retinue or...
6Latinco-allomorph of con-
7Latincōn-Used in compounds to indicate a being or bringing together of several objects
8Latincumwith, along with; at; -fold
9Old LatincomAlternative form of cum
10Proto-Italickomwith, along, at
11Proto-Indo-Europeanḱómbeside, near, by, with
12Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
13Middle Englishkyt
14Germankittputty certain kinds of cement used for fixing e.g. window panes
15Old High Germankuti
16Proto-West Germanickwidugum, resin
17Proto-Germanickweduzresin
18Proto-Indo-Europeangʷet-resin, gum; to say, speak
19Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...
Every word from Proto-Indo-European gū-