Tittle
a point, (Matt. 5:18; Luke 16:17), the minute point or stroke
added to some letters of the Hebrew alphabet to distinguish them
from others which they resemble; hence, the very least point.
Bibliography Information Easton, Matthew George. M.A., D.D., "Biblical Meaning for 'Tittle' Eastons Bible Dictionary". bible-history.com - Eastons; 1897.