soliloquy
n. US //səˈɫɪɫəkwi// UK //səlˈɪləkwˌi// so·lil·o·quy
1595–1605; From Late Latin sōliloquium in the title of St. Augustine's Soliloquiorum libri duo ("Two Books of Soliloquies"), from sōlus (“only, sole”) + loquor (“to speak”).