suffix

An affix added to the end of a word or stem, serving to form a new word or functioning as an inflectional ending, such as -ness in gentleness, -ing in walking, or -s in sits.

To add as a suffix.

To attach at the end: specifically used of adding or annexing a letter or syllable, a suffix.

In. grammar, a letter or syllable added or annexed to the end of a word or to a verbal root or stem; a formative element, consisting of one or more letters, added to a primitive word to make a derivative; a postfix; a terminal formative, as the –th of length, the –d of loved, the –ly of godly, the –ly of badly, etc.

In mathematics, an index written after and under a letter, as x₀, x₁, x₂, x₃.

A letter, letters, syllable, or syllables added or appended to the end of a word or a root to modify the meaning; a postfix.

A subscript mark, number, or letter. See Subscript, a.

To add or annex to the end, as a letter or syllable to a word; to append.

One or more letters or sounds added at the end of a word to modify the word’s meaning, such as able, which changes sing into singable, for example.

to append (something) to the end of something else