Meaning of self-application in English:

self-application

Pronunciation /ˌsɛlfaplɪˈkeɪʃn/

noun

  • 1The action or an act of administering something to oneself, or of bringing something to bear upon oneself.

  • 2The action of giving one's full attention to what one does or undertakes; hard work.

Origin

Early 17th century; earliest use found in Thomas Adams (1583–1652), Church of England clergyman.