Where does “semiconvex” come from?

semiconvex (English) comes from English convex, from Middle French convexe, from Latin convexus, from Latin conveho, from Latin com-, from Latin con-, from Latin cum, from Old Latin com — resin, gum; to say, speak.

semiconvex (English): Having the property that for every compact subset of the domain, there exists a constant C such that f(x) + ½C|x|2 is convex on the subset

Definitions

  1. Having the property that for every compact subset of the domain, there exists a constant C such that f(x) + ½C|x|2 is convex on the subset

Ancestry of “semiconvex”, step by step

semiconvex traces back through two separate lines of ancestry.

via English convex

StepLanguageWordMeaning
1Englishconvexcurved or bowed outward like the outside of a...
2Middle Frenchconvexe
3Latinconvexusvaulted, arched, rounded; convex or concave;...
4LatinconvehoI carry; I collect or gather; I harvest
5Latincom-allomorph of con-
6Latincon-Used in compounds to indicate a being or bringing...
7Latincumwith, along with; at; -fold
8Old LatincomAlternative form of cum
9Proto-Italickomwith, along, at
10Proto-Indo-Europeanḱómbeside, near, by, with
11Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
12Middle Englishkyt
13Germankittputty certain kinds of cement used for fixing e.g. window panes
14Old High Germankuti
15Proto-West Germanickwidugum, resin
16Proto-Germanickweduzresin
17Proto-Indo-Europeangʷet-resin, gum; to say, speak

via English semi

StepLanguageWordMeaning
1EnglishsemiA semi-detached house; A semitrailer; a...
2Englishsemi-half; partial, incomplete; somewhat, rather,...
3Latinsēmi-half
4Proto-Indo-Europeansēmihalf; partially
Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduzEvery word from Proto-West Germanic kwidu
semiconvex — Etymology, Origin & Word History | Etymology Explorer