Definition of doryphore in English:

doryphore

noun

rare
  • A pedantic and annoyingly persistent critic.

    • ‘Have I, the dreaded doryphore, hit on a typo?’

Origin

1950s (introduced by Sir Harold Nicolson): from French, literally Colorado beetle, from Greek doruphoros spear carrier.

Pronunciation:

doryphore

/ˈdɒrɪfɔː/