Relating to or characteristic of Arnulf (also called Arnulfo), particularly in historical or biographical contexts.
From the proper name Arnulf, a Germanic name, with English suffix '-ian' meaning 'relating to'; used primarily in historical references.
There are several important Saint Arnulfs in Christian history—one was a Bishop of Soissons famous for converting pagans, and their names and stories got preserved in words like 'Arnusian' used by medieval historians!
Complete word intelligence in one call. Free tier — 50 lookups/day.