Added 10 October 2026
addendum
/əˈdɛn.dəm/ noun
Latin root: addere Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about addendum at Wordnik → Where our words come from →
- Textual matter that is added onto a publication; usually at the end.
Origin
From the gerundive of Latin addere (“to add”).
From Wiktionary, via Kaikki.org (CC BY-SA)