ἀρχαϊσμός

A. old-world charm of style, D.H. Comp. 22.
2. use of obsolete expressions, ἀ. οὗτος ῥημάτων Men. 11 D., cf. Sch.E. Hipp. 23.
3. ancient custom, περὶ ἀρχαϊσμοῦ, title of work by Manetho, Porph. Abst. 2.55.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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