Where does “hypercontractivity” come from?

hypercontractivity (English) comes from English contractivity, from English contractive, from English contract, from Old French contract, from Latin contractus, from Latin contrahō, from Latin cōn-, from Latin cum — to bend; curve; arch; vault; to bow, bend, arch,...

hypercontractivity (English): Excessive contractivity of the higher frequencies...

Definitions

  1. Excessive contractivity of the higher frequencies...

Ancestry of “hypercontractivity”, step by step

hypercontractivity traces back through two separate lines of ancestry.

via English contractivity

StepLanguageWordMeaning
1EnglishcontractivityThe condition of being contractive; The extent to...
2EnglishcontractiveAble to contract; contractile
3EnglishcontractAn agreement between two or more parties, to...
4Old Frenchcontract
5Latincontractuscollected, accomplished, contracted; narrow,...
6Latincontrahōto draw in, bring or drag several objects together; collect, assemble, gather, amass
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,...

via English hyper

StepLanguageWordMeaning
1Englishhyperhyperactive; energetic; overly diligent;...
Every word from Proto-Indo-European gū-