(Ἀργεννίς), a surname of Aphrodite, which she derived from Argennus, a favourite of Agamemnon, after whose death, in the river Cephissus, Agamemnon built a sanctuary of Aphrodite Argennis. (Steph. Byz. s. v. Ἀργεννίς ; Athen. 13.608.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890