-cosa-
English
Etymology
From icosa-, itself from words like icosagon and icosahedron, which ultimately derive from Ancient Greek εἴκοσι (eíkosi).
Interfix
-cosa-
- (IUPAC) Combines with the prefixes for 1-9 to form complex prefixes referring to 21-29.
Coordinate terms
- -conta- (forms prefixes referring to the decads)
Derived terms
English terms interfixed with -cosa-
- docosa-
- tricosa-
- tetracosa-