TSUMUGU · TOCFL 5 (est.) · 詞
理論
ㄌㄧˇ ㄌㄨㄣˋ · lǐlùn
noun — theory; theoretical framework
字源 FORM — what the parts do
理principle; reason; to manage (理論的理)lǐ王/玉 (jade) at left; 里 lǐ gives the sound — the natural veining of jade; extended to: the principle or grain running through things
論to discuss; theory; an essay (討論的論)lùn言 (speech) at left; 侖 lún gives the sound — orderly arranged speech → theory, to discuss
理論，道理的理，討論的論。