What is the meaning of Et_al.?

And others; to complete a list, especially of persons, as authors of a published work.

And elsewhere; to complete a list of places.

et al.; used to complete a list of authors

abbreviation of et aliī (“and others”, masculine plural)

abbreviation of et aliae (“and others”, feminine plural)

abbreviation of et alia (“and others”, neuter plural)

abbreviation of et alibī (“and other occurrences”)

et al. (and others)

Source: wiktionary.org