(Both of these words, very similar in the Greek, are rare, but the headword is marginally the rarer; hence the translation adopted here.)
Synagoge epsilon705 consists of nothing but the word used as the present gloss. (Adler also cites the unedited lexicon of Codex Laurentianus 59.16 as a comparandum.)
Outside lexicography, the headword e)pilu/ths is in fact attested only (twice) in a scholiast's note on e)/phlun in Thucydides 1.9.2 (see epsilon 2174), where there is no connection with manumission.