Plurals and singulars are not hewn in stone. Plurals, especially those of foreign extraction, are regularly mistaken for singulars, and – sometimes – vice versa.
The word stamina, for instance, was really the Latin plural of the word stamen (a term you may remember from biology class, albeit in a very different meaning), but has in English long been a singular. The same has happened with agenda and, more recently, data. It is happening under our eyes with phenomena. People get worked up about it, but there’s nothing new under the sun. Even the respectable opera was once a plural, and only became a singular because Italians couldn’t be bothered with Latin grammar – and why should they? Continue reading