additament

noun

ad·​dit·​a·​ment

ə-ˈdi-tə-mənt

plural -s

: a thing added : addition

the latter verses of the chapter were an additament of a later age

—S. T. Coleridge

Word History

Etymology

Middle English, from Latin additamentum, from additus (past participle of addere to add) + connective -a- + -mentum -ment

First Known Use

14th century, in the meaning defined above

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!