Headword and gloss are both present active participles in the masculine nominative singular. The headword one must be quoted from somewhere (but not from the quotation given: see note 2 below); there are numerous possibilities.
[1] Up to this point, the entry = Synagoge epsilon875; Photius, Lexicon epsilon2031; Hesychius epsilon6411 (cf. epsilon6412).
[2] Quotation (including the present indicative active, third person singular, of the headword verb) unidentifiable. See also at epsiloniota 318, but with a different form of the verb (imperfect indicative active) and with 'army' rather than 'man'. Compare generally pi 197.