Lexical Definition

‎εὐτόνως‎ eutónōs (yoo-ton'-oce) vehemently ^G:ADV
adverb from a compound of ‎εὖ‎ and a derivative of (to stretch)

mightily, vehemently.

• in a well-strung manner, i.e. (figuratively) intensely (in a good sense, cogently
• in a bad one, fiercely)

Abbott-Smith

εὐτόνως adv. (< εὖ, τείνω), [in LXX forבַּשּׁוֹפָרוֹת Jos 6:7(8) * ;]
vigorously, vehemently: Lk 23:10, Ac 18:28.†

Abbott-Smith References

Liddell-Scott-Jones

Included with: εὐτόνως-ος, ον,

(τείνω) well-strung, vigorous, of men's bodies or limbs, [Refs 5th c.BC+]: comparative, [Refs 4th c.BC+]; of men, - ώτεροι τοῖς σώμασι [Refs 1st c.BC+]; τὸ εὔ., ={εὐτονία}, [Refs 5th c.BC+]; of engines, [Refs 2nd c.BC+]; of the wind, [Refs 1st c.BC+]; of wine, [Refs 4th c.BC+]; τὸ εὔ., name of an eyesalve, [Refs 2nd c.BC+]

__b distended, εὐτόνῳ φλεβί (obscene meaning) [Refs 5th c.BC+]
__c elastic, yielding, -ώτερος χαλκοῦ χρυσός Porph.ad [Refs 8th c.BC+]
__2 active, energetic, πρόνοια [Refs 3rd c.AD+]; προσοχή [Refs 4th c.AD+]; of persons, -ώτατος εἶναι with participle, [Refs 2nd c.BC+]
__3 of an orator, forcible, εὔ. τῇ φράσει [Refs 1st c.BC+]
__4 adverb -νως with might and main, vigorously, [NT+5th c.BC+]: comparative -ώτερον, τοῦ δέοντος ἀφιᾶσι [Refs 2nd c.AD+]
__5 strenuously, [Refs 1st c.BC+]
__6 peremptorily, -ώτερον ἐπιστεῖλαι, γράψαι, [Refs 3rd c.BC+]
__II of the voice, well-pitched, [Refs 4th c.BC+]; εὐτόνωςος is perhaps falsa lectio for{ἔντονον} in [Refs 5th c.BC+]

_{LSJ Scripture Refs: Luke.23.10}