LIVY' (3 letters) The term 'LIVY'S HELLO' is a combination of two crossword solutions, 'AVE' and 'LIVY'. 'AVE' is a Latin word meaning 'HAIL' or 'GREETING', while 'LIVY' is the name of the Roman historian Titus Livius, commonly known as Livy. Together, the two words form a phrase that can be interpreted as a GREETING from Livy, a reference to his famous work Ab Urbe Condita Libri (Books from the Foundation of the City).