), presumably from colloguing ( colleague “ to associate ”) and French ( colloque “ secret meeting ”), from (English Latin ), possibly influenced by colloquy . dialogue 
Latin ( collega “ a partner in office ”) + Ancient Greek ( λόγος lógos, “ speech, oration, discourse ”), perhaps partly via Latin ( loquor “ I speak ”).
collogue ( third-person singular simple present , collogues present participle , colloguing simple past and past participle ) collogued
( rare ) To talk privately or secretly; to conspire
1937, Helen Simpson,
Under Capricorn "Ay, well, what I say - " Flusky frowned, endeavouring to put into words just what he did say, when he
collogued with his own thoughts. "What I say: in a country where everything's to do, the hands has a chance to put themselves equal with the head. ..."
1861, George Eliot,
Silas Marner You let Dunsey have it, sir? And how long have you been so thick with Dunsey that you must
collogue with him to embezzle my money?
^ “ collogue” in Douglas Harper, Online Etymology Dictionary (2001).