ἐπένθεσις

εως, ἡ
A. insertion, as of a letter, A.D. Pron. 82.4; of a word, Id. Synt. 78.24, Phlp. in APo. 186.26; application of a drug, Paul.Aeg. 6.42.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project