σφός
τὸν αὐτὸν ἔρανον ἀποδοῦναι → pay him back in his own coin, repay him in his own coin, pay someone back in their own coin, pay back in someone's own coin, give tit for tat, pay back in kind
English (LSJ)
σφή, σφόν,
A their, their own, belonging to them, Il.1.534, Sapph. 10, Pi.P.5.102, etc. (never in Att.). 2 in post-Hom. Poets also, his or her, his own or her own, Hes.Th.398, Alcm.56A, Thgn. 712, Call.Aet.Oxy.2080.75. II = σός, Orph.L.168. 2 = ἐμός, CR11.136 (Phrygia, metr.). 3 = σφωΐτερος, your (in addressing a pair), v.l. in Il.11.142. (σφός is to σφε, σφέτερος as Ημός (ἁμός) to ἁμέ, ἡμέτερος.)
Greek (Liddell-Scott)
σφός: σφή, σφόν, = σφέτερος, σφετέρα, σφέτερον, Ἰλ. Α. 534, κλπ., Ἡσ., Πινδ., κτλ.· ἀλλ’ οὐδαμοῦ παρ’ Ἀττ. 2) παρὰ τοῖς μεθ’ Ὅμηρον ποιηταῖς ὡσαύτως ἐν τῷ ἑνικῷ, ἰδικός του, ἰδικός της, Θέογν. 712, Ἀλκμὰν 41 ΙΙ. = σός. Ὀρφ. Λιθ. 166. (τὸ σφὸς ἔχει πρὸς τὸ σφέτερος, ὡς τὸ ἡμὸς (ἀμὸς) πρὸς τὸ ἡμέτερος· ἴδε ἐν λ. οὖ, sui).
French (Bailly abrégé)
ή, όν :
leur, c. σφέτερος.
Étymologie: th. σφε- > σφέτερος.
English (Autenrieth)
(σφεῖς): their; always referring to a pl. subst., Od. 2.237, Il. 18.231.
