English
trigraph
From tri- + -graph.
A compound of tri- + -graph
Today it means
noun A specific sequence of three letters, especially one used collectively to represent a single phoneme.
Sources
Sources: Wiktionary, “trigraph”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / trigraph