ἐπαυτοφώρῳ G1888
epautophṓrōi · ep-ow-tof-o'-ro · Adverb
from ἐπί and αὐτός and (the dative case singular of) a derivative of (a thief); in theft itself, i.e. (by analogy) in actual crime:--in the very act.
1 Occurrence in the King James Bible
John 8:4They say unto him, Master, this woman was taken in adultery, in the very act.