Hagarenes

From LSJ

πάτερ, ἄφες αὐτοῖς, οὐ γὰρ οἴδασιν τί ποιοῦσιν → father, forgive them, for they know not what they do

Source

Wikipedia EN

Hagarenes (Ancient Greek: Ἀγαρηνοί Agarenoi, Classical Syriac: ܗܓܪܝܐ Hagráyé or ܡܗܓܪܝܐ Mhaggráyé, Armenian: Հագարացի), is a term widely used by early Syriac, Greek, Coptic and Armenian sources to describe the early Arab conquerors of Mesopotamia, Syria and Egypt.