HOSTCC BY-SALexiconsⲧⲉⲧⲣⲁⲥtetrad (group of four) English: tetrad (group of four) Forms: ⲧⲉⲧⲣⲁⲥ; ⲧⲉⲧⲣⲁⲥ (S)Typelexicon entryLanguagecoptic