ˈthed.ik adjective
Etymology: Greek thetikos fit for placing, of a thesis, positive, from thetos (verbal of tithenai to put, place, lay down) + -ikos -ic — more at do
1. or thet·i·cal -d.ə̇kəl : laid down : prescribed, positive , arbitrary
2.
a. : constituting a poetic thesis
a thetic syllable
b. : beginning with a thesis
thetic line
thetic measure
• thet·i·cal·ly -d.ə̇k(ə)lē adverb