splenic adj. + Add to list US //ˈspɫɛnɪk// UK //splˈɛnɪk// splenic SynonymsEtymology Synonyms lienalspleneticOriginGRKσπληνικός→LATsplēnicus→ENsplenic From Latin splēnicus, from Ancient Greek σπληνικός (splēnikós, “of the spleen”). By surface analysis, splen- + -ic.