thym- I. combining form orthymo- Etymology: International Scientific Vocabulary, from Latin thymum — more at thyme 1.: thyme < thymol > 2.: thymol < thymoquinone CH3C6H2(C3H7)O2 > II. combining form orthymo- Etymology: New Latin thymus : thymus : of the thymus < thymoprivic > < thymectomize > III. combining form orthymo- Etymology: New Latin, from Greek, from thymos spirit, soul, mind — more at fume : soul : spirit : emotion < thymogenic > < thymotactic >