Where does “co-sleeping” come from?

co-sleeping (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.

co-sleeping (English): The practice in which babies and young children...

Definitions

  1. The practice in which babies and young children...

Ancestry of “co-sleeping”, step by step

co-sleeping 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 sleeping

StepLanguageWordMeaning
1Englishsleepingpresent participle of sleep; Asleep; Used for...
2EnglishsleepTo rest in a state of reduced consciousness; To...
3Middle Englishslepento sleep; to become asleep, to cause to sleep; to...
4Old Englishslǣpan
5Proto-West Germanicslāpanto sleep
6Proto-Germanicslēpanąto sleep
7Proto-Indo-Europeanslab-to be weak, be languid; be weak, limp, languid
Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduzEvery word from Proto-West Germanic kwidu