πανσυδί
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)
or πανσυ-δεί, Adv., (σεύομαι)
A with all one's force, hence = πανστρατιᾷ, π. διεφθάρθαι utterly, Th.8.1, cf. Pherecr.31, D.H.5.46: written πασσυδί X.Cyr.1.4.18, Onos.42.12, v.l. for sq. in X.HG4.4.9, Ages.2.19.