σπουδαιότερον
From LSJ
Μηδέποτε πειρῶ δύο φίλων εἶναι κριτής → Ne recipe amicos inter arbitrium duos → Versuche nie, zu schlichten zweier Freunde Streit
neuter of σπουδαιότερος as adverb; more earnestly than others), i.e. very promptly: very diligently.
