Where does “cojoin” come from?

cojoin (English) comes from English co, from English company, from Middle English companye, from Old French compaignie, from Old French compain, from Latin compāniō, from Latin com-, from Latin con- — resin, gum; to say, speak.

cojoin (English): To join together; to conjoin

Definitions

  1. To join together; to conjoin

Ancestry of “cojoin”, step by step

cojoin traces back through two separate lines of ancestry.

via English co

StepLanguageWordMeaning
1EnglishcoClipping of company; they; them
2EnglishcompanyA team; a group of people who work together...
3Middle EnglishcompanyeA company, band, small group, or team of people;...
4Old Frenchcompaigniecompanionship
5Old FrenchcompainAlternative form of compaing; friend; companion
6Latincompāniōcomrade
7Latincom-allomorph of con-
8Latincon-Used in compounds to indicate a being or bringing...
9Latincumwith, along with; at; -fold
10Old LatincomAlternative form of cum
11Proto-Italickomwith, along, at
12Proto-Indo-Europeanḱómbeside, near, by, with
13Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
14Middle Englishkyt
15Germankittputty certain kinds of cement used for fixing e.g. window panes
16Old High Germankuti
17Proto-West Germanickwidugum, resin
18Proto-Germanickweduzresin
19Proto-Indo-Europeangʷet-resin, gum; to say, speak

via English join

StepLanguageWordMeaning
1EnglishjoinAn intersection of piping or wiring; an...
2Middle Englishjoinento join
3Old Frenchjoindreto meet up with; to go and see; to join; to join...
4Vulgar LatinjuniorAlternative form of iūnior
5Latiniūnior
6Latiniuvenioryounger, more youthful
7Latiniuvenisyoung; A youth, a young man, young woman, young...
8Proto-Italic*juwōyoung
Every word from Proto-Indo-European gʷet-