ἀρχεῖα (archeia)
ἀρχεῖα is an Ancient Greek form of ἀρχεῖον, meaning “town-hall, residence; office of chief magistrates”. It is the nominative plural neuter noun or adjective.
Found 33 times in the Ancient Greek texts on Socratos.
Where it is used
Plutarch, Agesilaus 33.5: … τοῦ Ἀρχιδάμου προσιόντος οὐδεὶς ἐκαρτέρησεν, ἀλλὰ πρῶτος ὁ πατὴρ ἀπήντα δακρύων ὑπὸ χαρᾶς καὶ μετʼ ἐκεῖνον τὰ ἀρχεῖα, τῶν δὲ πρεσβυτέρων καὶ τῶν γυναικῶν τὸ πλῆθος ἐπὶ τὸν ποταμὸν κατῄει, τάς τε χεῖρας ὀρεγόντων καὶ θεοκλυτούν …
Pausanias, Description of Greece 3.11.2: … τιν ἀγορὰ θέας ἀξία, καὶ τῆς τε γερουσίας βουλευτήριον καὶ τῶν ἐφόρων καὶ νομοφυλάκων καὶ καλουμένων Βιδιαίων ἀρχεῖά ἐστιν ἐπὶ τῆς ἀγορᾶς. ἡ μὲν δὴ γερουσία συνέδριον Λακεδαιμονίοις κυριώτατον τῆς πολιτείας, οἱ λοιποὶ δέ εἰσιν …
All forms of ἀρχεῖον (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Liddell-Scott-Jones, A Greek-English Lexicon (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.