Wiedemann, A. (1895), Inscriptions of the time of Amenophis IV. Proceedings of the Society of Biblical Archaeology 17, 152-157, p. 154-155, Comment the reading and the phonetic use of the sign, suggest an old reading mꜣ for "ostrich" and a link between this sign with extended wings and the sign G47 𓅷 who would depict a young ostrich.