Where does “coincidental” come from?

Coincidental derives from English coincidental, from English incident, from Latin incidens, from Latin incidere meaning to fall upon or happen, combining Latin in with an unattested root.

coincidental (English): Occurring as or resulting from coincidence;...

Definitions

  1. Occurring as or resulting from coincidence;...

Ancestry of “coincidental”, step by step

StepLanguageWordMeaning
1Englishco-together; mutually; jointly; partner or...
2Latinco-allomorph of con-
3Latincōn-Used in compounds to indicate a being or bringing together of several objects
4Latincumwith, along with; at; -fold
5Old LatincomAlternative form of cum
6Proto-Italickomwith, along, at
7Proto-Indo-Europeanḱómbeside, near, by, with
8Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
9Middle Englishkyt
10Germankittputty certain kinds of cement used for fixing e.g. window panes
11Old High Germankuti
12Proto-West Germanickwidugum, resin
13Proto-Germanickweduzresin
14Proto-Indo-Europeangʷet-resin, gum; to say, speak
15Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

Words derived from “coincidental

Every word from Proto-Indo-European gū-