νεω-κόρος, -ου a temple-keeper; as honorary title given to a city (see DB, i, 722 b) : Act.19:35.† (AS)
Thayer:
1) one who sweeps and cleans a temple 2) one who has charge of a temple, to keep and adorn it, a sacristan 3) the worshipper of a deity 3a) word appears from coins still extant, it was an honourary title [temple-keeper or temple-warden] of certain cities, esp. in Asia Minor, or in which some special worship of some deity or even some deified human ruler had been established; used of Ephesus
νεωκόρος
neōkoros
neh-o-kor'-os
From a form of G3485 and κορέω koreō (to sweep); a templeservant, that is, (by implication) a votary
G2411 ἱερόνἱερόν
hieron
hee-er-on'
Neuter of G2413; a sacred place, that is, the entire precincts (whereas G3485 denotes the central sanctuary itself) of the Temple (at Jerusalem or elsewhere)