Someone in partnership with another was "in" these, probably from the French for "hut"
... Are the Camjam Edukit Worksheets available in another language than 
... the edukit worksheets sources too, i will translate them in french and give the... [DOC] [TLE] Conspiracy - definition of conspiracy by The Free Dictionary [PAR] [Middle English conspiracie, from Anglo-Norman, probably alteration of Old 
French ... in cahoots In league or in partnership; in conspiracy; also to go in 
cahoots or ...