tetra- used for substitutions of four complex rather than simple units
tetrakis-
prefix
Synonym of tetra- used for multiplication with a second numerical prefix.
Synonym of tetra- used for substitutions of four complex rather than simple units, as in
How often have the words tetra- used for substitutions of four complex rather than simple units and tetrakis- occurred in a corpus of books? (source: Google Ngram Viewer )