postdating

plural postdatings

1. human sciencesA later citation of a lexical item.

   The new edition of the dictionary contains several postdatings.

   1 more example

   Indeed, for 10 of these terms, the latest known record was their inclusion in Hobson-Jobson, and without any published postdatings this may have suggested that those terms were obsolescent at the end of the nineteenth century.

   2018, James Lambert, “Anglo-Indian slang in dictionaries on historical principles”, in World Englishes, volume 37, page 256

1. gerundparticiplepresentpresent participle and gerund of postdate