“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Arts and Humanities248Social Sciences18History (General) and history of Europe: History of the Greco-Roman World1Language and Literature: Greek language and literature. Latin language and literature1