from the Heb. yod, the smallest Hebrew letter, is mentioned by the Lord in Matthew 5:18 (together with keraia, "a little horn, a tittle, the point or extremity" which distinguishes certain Hebrew letters from others) to express the fact that not a single item of the Law will pass away or remain unfulfilled.
With over 3,400 entries, this timeless classic is THE reference guide to New Testament Greek words for English readers. It explains the meaning of the original Greek with the added dimension of the context of the Greek word.Wikipedia
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