or Iota, the smallest letter of the Greek alphabet, used metaphorically or proverbially for the smallest thing ( Matthew 5:18 ); or it may be = yod, which is the smallest of the Hebrew letters.
M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition,
published by Thomas Nelson, 1897. Public Domain, copy freely.
[N] indicates this entry was also found in Nave's Topical Bible
[S] indicates this entry was also found in Smith's Bible Dictionary
Bibliography InformationEaston, Matthew George. "Entry for Jot". "Easton's Bible Dictionary".