undam
undam is a Latin form of unda, meaning “wave”. It is the accusative singular feminine noun.
Found 59 times in the Latin texts on Socratos.
Where it is used
Vergil, Eclogues 10.5: Doris amara suam non intermisceat undam.
All forms of unda (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.