suffix
Pronunciation: /ˈsʌfɪks/
noun
- 2 Mathematicsanother term for subscript.

Origin:
late 18th century (as a noun): from modern Latin suffixum, neuter past participle (used as a noun) of Latin suffigere, from sub- 'subordinately' + figere 'fasten'

Grammar
Part of a word that comes after the base. In the list of words that follows, the suffixes are printed in bold type: childish kingdom picturesque Suffixes make a new word out of the base. They often also change it from one word class to another. So, for example, the nounchild becomes the adjectivechildish.