Greek word
iōta
ἰῶτα
What it means
iota, the name of the eighth letter of the Greek alphabet, put for a very small part of anything
"iota", the name of the eighth letter of the Greek alphabet, put (figuratively) for a very small part of anything
Where it comes from
of Hebrew origin (the tenth letter of the Hebrew alphabet)
How the King James translates it
Every place it appears 1
Matthew5:18