GalateafGreek Mythology (Latinized) Latinized form of Greek Γαλάτεια (Galateia), probably derived from γάλα (gala) meaning "milk". This was the name of several characters in Greek mythology including a sea nymph who was the daughter of Doris and Nereus and the lover of Acis. According to some sources, this was also the name of the ivory statue carved by Pygmalion that came to life.
HalimedefGreek Mythology Derived from Greek ἅλς (hals) meaning "sea, brine, salt" combined with one of the related words μέδομαι (medomai) meaning "to be mindful of, to provide for, to think on" or μέδω (medo) meaning "to protect, to rule over". According to Greek mythology this was one of the Nereids. A minor moon of Neptune is named after her.
LarissafEnglish, German, Portuguese (Brazilian), Greek Mythology (Latinized) Variant of Larisa. It has been commonly used as an English given name only since the 20th century, as a borrowing from Russian. In 1991 this name was given to one of the moons of Neptune, in honour of the mythological character.
ProteusmGreek Mythology Derived from Greek πρῶτος (protos) meaning "first". In Greek mythology this was the name of a prophetic god of the sea. Shakespeare later utilized it for a character in his play The Two Gentlemen of Verona (1594).
PsamathefGreek Mythology Derived from Greek ψάμαθος (psamathos) meaning "sand of the seashore". This was the name of several characters in Greek mythology, including one of the Nereids. One of the small moons of Neptune is named after her.
SaofGreek Mythology Derived from Greek σῶς (sos) meaning "whole, unwounded, safe". This was the name of one of the Nereids in Greek mythology. A small moon of Neptune is named for her.
ThalassafGreek Mythology Means "sea" in Greek. In Greek mythology she was the personification of the sea. A small moon of Neptune is named for her.
TritonmGreek Mythology Meaning uncertain. It is possibly related to a root meaning "the sea" (cognate with Old Irish trethan). Alternatively it could be connected to Greek τρεῖς (treis) meaning "three" (ordinal form τρίτος). In Greek mythology Triton was the son of Poseidon and Amphitrite. He was often depicted as a merman, half-human and half-fish. The largest of Neptune's moons is named after him.