Where does “pseudoconcave” come from?

pseudoconcave (English) comes from English concave, from Old French concave, from Latin concavus, from Latin com-, from Latin con-, from Latin cum, from Old Latin com, from Proto-Italic kom — to bend; curve; arch; vault; to bow, bend, arch,...

pseudoconcave (English): differentiable and decreasing in any direction...

Definitions

  1. differentiable and decreasing in any direction...

Ancestry of “pseudoconcave”, step by step

pseudoconcave traces back through two separate lines of ancestry.

via English concave

StepLanguageWordMeaning
1Englishconcavecurved like the inner surface of a sphere or...
2Old Frenchconcave
3Latinconcavusconcave, hollow; vaulted, arched
4Latincom-allomorph of con-
5Latincon-Used in compounds to indicate a being or bringing...
6Latincumwith, along with; at; -fold
7Old LatincomAlternative form of cum
8Proto-Italickomwith, along, at
9Proto-Indo-Europeanḱómbeside, near, by, with
10Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
11Middle Englishkyt
12Germankittputty certain kinds of cement used for fixing e.g. window panes
13Old High Germankuti
14Proto-West Germanickwidugum, resin
15Proto-Germanickweduzresin
16Proto-Indo-Europeangʷet-resin, gum; to say, speak
17Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English pseudo

StepLanguageWordMeaning
1EnglishpseudoAn intellectually pretentious person; a...
2Englishpseudo-False, not genuine, fake
3Ancient Greekψευδήςlying, false, untrue; deceived, beguiled
4Ancient Greek-ήςadjective suffix
5Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
6Proto-Indo-European-ess
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European gū-