Title of an essay on the mental-communication abilities of the Elves, with the English translation “Communication of Thought” (MR/415). Elsewhere, the word ósanwë by itself is translated “communication of thought” or “interchange of thought” (VT39/23-4, PE17/183). Furthermore, in the title of another essay, centa is translated “enquiry”: Essecenta Eldarinwa “Enquiry (into the origins) of the Elvish names” (MR/415, WJ/359). Thus, the full meaning of this title is likely “Enquiry into Communication of Thought”.