φερέοικος
From LSJ
Δίκαιος ἴσθι, ἵνα δικαίων δὴ τύχῃς → Sis aequus, aequa ut consequaris tu quoque → Sei du gerecht, damit Gerechtes dir widerfährt
English (LSJ)
ον,
A carrying one's house with one, of the Scythians in Hdt.4.46. II Subst., house-carrier, i.e. snail, Hes.Op.571: acc. to others, a kind of wasp, or a tortoise, Hsch., EM790.35, cf. φέροικος.