What's the root meaning of talk or knowledge

if you want to know the origin-"talking" by oneself, and inter locut or, or a person with whom you are "talking" or conversing. words, including e loqu ent, loqu acious, e locut ion, and circum locut ion. The roots loqu and locut are easily recalled through the words soli loqu y - but if you want to know the deeper psychological meaning thats a diferent question and answer