Λογγῖνος
Could not find Λογγῖνον in Logeion dictionaries.
Λογγῖνον Proper-name noun masculine accusative singular of Λογγῖνος
Λογγῖνος -οῦ, ὁ Longinus, male name Arab. (AP 16.39.4), al. etc.
Λογγῖνος, ου (ὁ) Longin, rhéteur et philosophe.