Lexical Definition

‎αὐτόχειρ‎ autócheir (ow-tokh'-ire) with one’s own hand ^G:A
from ‎αὐτός‎ and ‎χείρ‎

with … own hands.

• self-handed, i.e. doing personally

Abbott-Smith

* αὐτό-χειρ, -ρος, ὁ, ἡ (< αὐτός, χείρ),
with one's own hand: Ac 27:19.†

Abbott-Smith References

Liddell-Scott-Jones

αὐτόχειρ-χειρ, χειρος, ὁ, ἡ,

with one's own hand, creative, [Refs 4th c.BC+]; αὐ. λούειν, παίειν, κτείνειν, [αὐτόχειρχειρες 5th-6th c.BC: Aristophanes Comicus “Aves” 1132 {αὐτοχειρί}, compare “Lys.” 269, 5th c.BC: Theopompus Comicus 86, NT.Acts.27.19, etc.">NT+5th c.BC+]: with genitive, very doer, per-petrator of a thing, αὐ. τοῦδε τοῦ τάφου[Refs 5th c.BC+]; τῆς ἀσελγείας ταύτης[Refs 4th c.BC+]; αὐ. οὔτε τῶν ἀγαθῶν οὔτε τῶν κακῶν men who accomplish neither.., [Refs 5th c.BC+]

__II absolutely, one who kills himself, suicide, [Refs 5th c.BC+]; simply, murderer, [Refs 5th c.BC+]; αὐτὸν.. νομίζω αὐτόχειρχειρά μου γεγενῆσθαι τούτοις τοῖς ἔργοις [Refs 5th c.BC+]
__III as adjective, murderous, especially of murder committed by one's own hand or by kinsmen, αὐ. θάνατος, σφαγή, μοῖρα, [Refs 5th c.BC+]; πληγέντες αὐτόχειρχειρι σὺν μιάσματι, of brothers smitten by mutual slaughter, [Refs 5th c.BC+]
__III.2 αὐτόχειρχειρα γράμματα written with one's own hand, autograph, [Refs 2nd c.AD+]

_{LSJ Scripture Refs: Acts.27.19}