Of uncertain origin; Melita, an island in the Mediterranean -- Melita.
Thayer's Greek Lexicon
Strong's 3194: Μελίτη
Μελίτη, Μελιτης, ἡ, Melita, the name of an island in the Mediterranean, lying between Africa and Sicily, now called Malta; (this Sicula Melita must not be confounded with Melita Illyrica in the Adriatic, now called Meleda (see B. D. under the word ; Smith, Voyage and Shipwr. of St. Paul, Diss. ii.)): Acts 28:1 (where WH Μελιηνη; see their Appendix, p. 160).
STRONGS NT 3194: Μελιτήνη [Μελιτήνη, see the preceding word.]
Acts 28:1 - N-NFS GRK:ἐπέγνωμεν ὅτι Μελίτη ἡ νῆσος NAS: out that the island was called Malta. KJV: the island was called Melita. INT: we found out that Malta the island