Lewis & Short

Aedŭi (Haed-), ōrum, m., a tribe in Gallia Celtica friendly to the Romans, now Departements de la Cōte d’Or, de la Nievre, de Saōne et Loire, et du Rhōne, Caes. B. G. 1, 10, 11, 23, etc.; Cic. Att. 1, 19; Mel. 3, 2, 4; Plin. 4, 18, 32, § 107 al.
Hence, Aedŭĭ-cus (Haed-), a, um, adj., pertaining to the Ædui: stemma, Aus. Par. 4, 3.