suffix

noun

1. A morpheme added at the end of a word to modify the word's meaning.

   “The suffix "-able" changes "sing" into "singable".”

   “The praenomen and nomen for the most part consisted of simple stems with the suffix -us or -ius, […]”

   “Before I simply create a root meaning X, is there any way I can use Ithkuil morphological categories or the 150 or so suffix categories to derive this word from a more general or primary word? […] In other words, the writer would not write or “key” a certain Ithkuil symbol, but rather would select a particular root from a database and identify the particular forms of the 22 morphological categories which apply to the root as well as any suffixes.”

2. A subscript.
3. A final segment of a string of characters.

   “The string "abra" is both a prefix and a suffix of the string "abracadabra".”

verb

1. (transitive)To append (something) to the end of something else.