ACHATE, ACHATES was the faithful companion who went with Aeneas from burning Troy to Italy (Aeneid I.188). Virgil generally refers to him as fidus Achates, "faithful Achates."
Chaucer calls Achates a knight, HF I.226; Achates is a knight, LGW 964. Eneas's companions are called chevaliers and barons throughout the twelfth-century Eneas. Achates appears in the first half of the Legend of Dido, LGW 964-1136. [Eneas]
Achate occurs once in final rhyming position, HF I.226; Achates occurs medially, LGW 976, 1136, and in final rhyming position, LGW 964, 1023, 1129.