κύκλῳ
From LSJ
English (Strong)
as if dative case of kuklos (a ring, "cycle"; akin to κυλιόω); i.e. in a circle (by implication, of ἐν), i.e. (adverbially) all around: round about.
English (Thayer)
(dative of the substantive κύκλος, a ring, circle (cf. English cycle)); from Homer down; the Sept. times without number for סָבִיב, also for מִסָּבִיב and סָבִיב סָבִיב; in a circle, around, round about, on air sides: οἱ κυκλωαγροι, the circumjacent country (see ἀγρός, c.), WH (rejected) marginal reading gives ἔγγιστα); ἀπό Ἰερουσαλήμ καί κύκλῳ, and in the region around, τίνος, around anything (Xenophon, Cyril 4,5, 5; Polybius 4,21, 9, others; R κυκλόθεν); Revelation 7:11>.