Where does “costimulatory” come from?

Costimulatory comes from English stimulatory, derived from Latin stimulus meaning "goad" or "pointed stick," with the prefix co- added to denote joint action.

costimulatory (English): Of or pertaining to co-stimulation

Definitions

  1. Of or pertaining to co-stimulation

Ancestry of “costimulatory”, 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,...
Every word from Proto-Indo-European gū-Every word from Latin cōn-Every word from Proto-Indo-European gʷet-
costimulatory — Etymology, Origin & Word History | Etymology Explorer