Extended Strong's Greek Lexicon (Abbott-Smith based)
extremely
Usage: ἐσχάτως adv., extremely, utterly; ἐ. ἔχειν (= Lat. in extremis esse), only in late writers (cf. ἐν ἐσχάτοις εἶναι, FlJ, Ant., ix, 8, 6), to be at the point of death: Mrk.5:28.† (AS)