Calypso (a nymph who ruled the island of Ogygia, on whose shores Odysseus was shipwrecked, whereupon she detained and entertained him for seven years, bearing him the two sons Nausithoüs and Nausinoüs)
Borrowed from Ancient Greek Κᾰλῠψώ (Kălŭpsṓ).
Practice speaking and memorizing "Calypso" and many other words and sentences in Latin.