desuetudinous

== English == === Etymology === From Latin dēsuētūdin- + -ous, from oblique stem of dēsuētūdō, from dēsuēscō +‎ -tūdō, from dē- +‎ suēscō. By surface analysis, desue(te) +‎ -tude +‎ -ous. === Adjective === desuetudinous (not comparable) Of or pertaining to desuetude; of a law or statute, no longer observed, practiced or enforced.