trigram

noun

Etymology: Etymology tree Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Italic *tri- Latin tri-der. English tri- Proto-Indo-European *gerbʰ- Proto-Hellenic *grə́pʰō Ancient Greek γρᾰ́φω (grắphō) Proto-Indo-European *-mn̥ Ancient Greek -μᾰ (-mă) Ancient Greek γράμμα (grámma)lbor. English -gram English trigram From tri- + -gram, literally “three marks”.

1. A trigraph, a sequence of three letters representing one phoneme.
2. An n-gram consisting of three items from a sequence.

   “In fact, half of all such words for this corpus are initiated by only 39 different trigrams!”

3. Any of the eight combinations of three complete or broken lines forming half of a hexagram in Chinese system of divination I Ching.