Where does “copiousness” come from?

Copiousness derives from Middle English -nesse suffixed to Latin copiosus, meaning abundant or plentiful, ultimately from Proto-Indo-European h₃ep-.

copiousness (English): The state of being copious

Definitions

  1. The state of being copious

Ancestry of “copiousness”, step by step

StepLanguageWordMeaning
1EnglishcopiousVast in quantity or number, profuse, abundant;...
2Middle Englishcopious
3Latincopiosuscopious, plentiful, abundant; prolific; eloquent
4Latincōpiasupply, abundance, copiousness, wealth, riches
5Latincoopia
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-