diligence
Concise Oxford English Dictionary © 2008 Oxford University Press:
diligence1 /ˈdɪlɪdʒ(ə)ns/
▶noun careful and persistent work or effort.
Concise Oxford English Dictionary © 2008 Oxford University Press:
diligence2 /ˈdɪlɪdʒ(ə)ns/
▶noun historical a public stagecoach.
– origin C17: from Fr., shortened from carrosse de diligence ‘coach of speed’.
'diligence' also found in these Oxford entries:

