口授くうじゅ

noun, noun or participle which takes 'suru', transitive verb

oral instruction; oral teaching; oral method

Refers to teaching or transmitting knowledge by spoken word, often in contrast to written or practical instruction. Can be used as a noun or with する to mean 'to instruct orally'.

• この技ぎ術じゅつは長なが年ねん、口授くうじゅによって伝つたえられてきた。

  This technique has been passed down for many years through oral instruction.

• 師し匠しょうは弟で子しに秘ひ伝でんを口授くうじゅした。

  The master orally transmitted the secret teachings to his disciple.