Why is Egyptian classified as an Afro-Asiatic language?

Egyptian is classified as a branch of the Afro-Asiatic language phylum due to significant genetic relationships, including shared vocabulary and grammatical structures common to the phylum's other divisions, such as Semitic, Cushitic, Chadic, Omotic, and Amazigh.12

Key linguistic evidence supporting this classification includes:

• Morphology: Egyptian utilizes a root and pattern system similar to other Afro-Asiatic languages, where consonantal roots provide the core meaning and vocalic patterns add specific grammatical information.1
• Phonology: Egyptian shares specific consonant inventories with other members of the phylum, including pharyngeal fricatives and emphatic consonants formed deep in the vocal tract.13
• Grammar: The language exhibits pronominal systems and causative stem formations that closely correspond to those found in Semitic languages.1
• Syntax: Like several other Afro-Asiatic branches, ancient Egyptian historically employed a verb-subject-object (VSO) word order.4

These shared features demonstrate a common origin, leading linguists to group Egyptian within this broader language family.12