LGPN is an incredible project, too bad it is not delving into etymology. Another name that is quite ambiguous in its origin is Adonis. Many sources (including this site) attribute it to the Semitic "Adonai" (meaning lord). Accorging to another approach (with which I am more keen to agree) Adonis is derived from the verb "ado" (Üäù) meaning to "sing". This is also the root of the word ode.