pond (n.) c. 1300 (by mid-13c. in compounds, c. 1200 in surnames, possibly in Old English), "artificially banked body of water," variant of pound "enclosed place"
Harper, D. (n.d.). Etymology of pond. Online Etymology Dictionary. Retrieved January 27, 2024, from https://www.etymonline.com/word/pond

Ponds are small and shallow waterbodies with a maximum surface area of 5 ha, a maximum depth of 5 m,
and < 30% coverage of emergent vegetation. Ponds will have light penetration to the sediments if water
clarity permits and can be permanent or temporary and natural or human-made.
Richardson, D.C., Holgerson, M.A., Farragher, M.J. et al. A functional definition to distinguish ponds from lakes and wetlands. Sci Rep 12, 10472 (2022). https://doi.org/10.1038/s41598-022-14569-0