Re:Why “children,” not “childs”? (2016)
by weinzierl on Monday May 28, 2018 @03:00AM
(#17170971)
That's interesting. I've never encountered "datums" but a quick Google search turned up plenty of examples (like "Tidal Datums") and that "This plural is permissible only in the sense of 'fixed reference points'" [1].
Which contexts did you have in mind?
[1] https://en.wiktionary.org/wiki/datums