endo,
praep. , v. in init. ; also the words compounded with endo (indu), as, endogredior, endoperator, etc., v. under in(im-), ingredior, imperator, etc.
endo praep. old form of in, in : endo caelo, C.(XII Tabb.). ...
An Elementary Latin Dictionary
·- ·Alt. of End-. ...
Webster's Dictionary of the English Language