-teen
a suffix used to form cardinal numerals from 13 to 19.
Origin of -teen
British Dictionary definitions for -teen
-teen
n combining form
ten: added to modified forms of the numbers 3 to 9 to form the numbers 13 to 19
Derived forms of -teen
-teenth, adj combining formWord Origin for -teen
Old English
-tēne, -tӯne