ἀποτείχισις
From LSJ
τὸ λακωνίζειν πολὺ μᾶλλόν ἐστιν φιλοσοφεῖν ἢ φιλογυμναστεῖν → to behave like a Lacedaemonian is much more to love wisdom than to love gymnastics (Plato, Protagoras 342e6)
English (LSJ)
εως, ἡ,
A walling off of a town, blockading, τῆς Ποτειδαίας Th.1.65. II razing of fortifications, Polyaen.2.22.3.