n. & v.
n. 1 a verbal element added at the end of a word to form a derivative (e.g. -ation, -fy, -ing, -itis). 2 Math. = SUBSCRIPT.
v.tr. also append, esp. as a suffix. suffixation n.
[ suffixum, suffixus past part. of L suffigere (as SUB-, figere fix- fasten) ]