·vt To Attemper.
II. Attemperate ·adj Tempered; proportioned; properly adapted.
at-tempĕrātē, adv., v. attempero fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
attemperātē (adt-) adv. ad + tempero, opportunely, in the nick of time (once): evenit, ...
An Elementary Latin Dictionary