portentuous

== English == === Etymology === From Middle English portentuous, from Latin portentuōsus. === Adjective === portentuous (comparative more portentuous, superlative most portentuous) Obsolete form of portentous. === References === == Middle English == === Etymology === From Latin portentuōsus. === Adjective === portentuous portentous ==== Descendants ==== English: portentuous === References ===