Where does “incontestably” come from?

Incontestably derives from English incontestable, from Latin incontestabilis, formed from in- (not) and contestabilis (able to be contested), itself from contestare (to call to witness), combining con- (together) and testis (witness).

incontestably (English): In an incontestable manner

Definitions

  1. In an incontestable manner

Ancestry of “incontestably”, step by step

StepLanguageWordMeaning
1EnglishincontestableNot contestable; indisputable; certain
2EnglishcontestableThat which can be contested
3EnglishcontestControversy; debate; Struggle for superiority;...
4Frenchcontesterto contest; to challenge; to dispute
5Old Frenchcontesterto contest; to dispute; to attest
6LatincontestorI call to witness
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-Every word from Latin cōn-Every word from Proto-Indo-European gʷet-
incontestably — Etymology, Origin & Word History | Etymology Explorer