self-study

[ self-stuhd-ee ]
/ ˈsɛlfˈstʌd i /

noun, plural self-stud·ies.

the study of something by oneself, as through books, records, etc., without direct supervision or attendance in a class: She learned to read German by self-study.
the study of oneself; self-examination.

adjective

designed for or accomplished by self-study: a self-study course for learning German.

Origin of self-study

First recorded in 1675–85