Aelius Moeris in Wikipedia
Aelius Moeris, Greek grammarian, surnamed Atticista (the Atticist), probably flourished in the 2nd century.
He was the author of an extant (more or less alphabetical) list of Attic forms and expressions, accompanied by the Hellenistic parallels of his own time, the differences of gender, accent, and meaning being clearly and succinctly pointed out.
Moeris in Harpers Dictionary of Classical Antiquities (1898)
Aelius. Known as "the Atticist" (Moeris Atticista). A Greek grammarian of the second century A.D. He was the author of an Attic lexicon (Λέξεις Ἀττικαί), a list, in alphabetical order, of a number of expressions and forms used by Attic writers, with the parallel expressions used in his own time, and in other dialects. It is edited by Pierson (1759) and Bekker (1833).