verb/fla.ne/
to wander around; to loiter, mill about
From the Norman verb flan(n)er. First known usage in French (flaner) in the 19th century. The Norman verb is a descendant of Old Norse flana (“to get into something heedlessly”). Compare Icelandic flana (“to rush, to act rashly, to get into something heedlessly”), flandra and flandur. See also Norwegian flane and flakke.