ἰῶτα G2503
iōta · ee-o'-tah · Noun Neuter
of Hebrew origin (the tenth letter of the Hebrew alphabet); "iota", the name of the eighth letter of the Greek alphabet, put (figuratively) for a very small part of anything:--jot.
1 Occurrence in the King James Bible
Matthew 5:18For verily I say unto you, Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law, till all be fulfilled.