σφαιρηδόν

Adv.
A. like a sphere, globe, or ball, ἧκε δέ μιν σφαιρηδὸν ἑλιξάμενος Il. 13.204, cf. AP 6.45, Arat. 531, Herod.Med. ap.Orib. 8.7.3, Vett.Val. 270.24.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project