The Collaborative International Dictionary
Preter-
Preter- \Pre"ter-\ [L. praeter past, beyond, originally a compar. of prae before. See For, prep.] A prefix signifying past, by, beyond, more than; as, preter- mission, a permitting to go by; preternatural, beyond or more than is natural. [Written also pr[ae]ter.]
Douglas Harper's Etymology Dictionary
preter-
also praeter-, word-forming element meaning "beyond," from Latin praeter (adverb and preposition) "beyond, before, above, more than," properly comparative of prae "before" (see pre-).\n
Wiktionary
preter-
pre. (context non-productive English) beyond