1831, "working for oneself without assistance from others," from self- + help (n.). Apparently coined by Carlyle. The British Self-Help Emigration Society is attested from 1887.

"improvement of one's character, etc., by one's own efforts," 1745, from self- + improvement.

also self respect, "proper regard for and care of the dignity of one's person and character," 1795, from self- + respect (n.). Related: Self-respecting (1744).

"sacrifice of what commonly constitutes the happiness of life for the sake of duty or higher motive," 1650s; see self + sacrifice (n.). Adjective self-sacrificed attested from 1711. Related: self-sacrificing.

Self-sacrifice goes beyond self-denial in necessarily including the idea of surrender, as of comfort, inclination, time, health, while being also presumably in the line of a real duty. [Century Dictionary]

"ability to restrain or guide or control oneself," 1690s; see self- + discipline (n.). Related: Self-disciplined.

"confidence of one's own judgment or ability, reliance on one's own powers without other aid," 1650s, a back-formation from self-confident, or else from self- + confidence.

also self concept, in psychology, "a person's idea of himself," 1921, from self + concept.

"educated by one's own efforts alone, without regular training," 1761, from self- + educated.

"regulating itself," 1837, from self- + present participle of regulate (v.). Related: Self-regulated; self-regulation.

"self-taught; educated by one's own efforts alone, without regular training," 1725; see self- + taught.