schoolmasterishness
/ˈskuːlˌmɑːst(ə)rɪʃnɪs/ /ˈskuːlˌmast(ə)rɪʃnɪs/noun
The quality or condition of resembling or being characteristic of a schoolmaster; schoolmasterly behaviour.
Origin
Late 18th century; earliest use found in Jeremy Bentham (1748–1832), philosopher, jurist, and reformer. From schoolmasterish + -ness.