Where does “conscious” come from?

Conscious comes from Latin conscius, formed from the prefix com- meaning "with" and the root meaning "knowing," ultimately expressing the sense of being aware together or jointly knowing.

conscious (English): Alert, awake; with one's mental faculties active;...

Definitions

  1. Alert, awake; with one's mental faculties active;...

Ancestry of “conscious”, step by step

StepLanguageWordMeaning
1Latinconsciusconscious
2Latinconsciōto be conscious of, have on one's conscience
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 “conscious

Every word from Proto-Indo-European gū-