ooperis
ooperis is a term that appears to be a misspelling or a portmanteau. It does not correspond to a recognized word, concept, or entity in common dictionaries, encyclopedias, or established fields of study. It is possible that "ooperis" is a neologism, a unique identifier within a specific context, or a typographical error.
If "ooperis" was intended to refer to something specific, further clarification would be necessary to provide