self

*s(w)e- (Proto-Indo-European)

separate, apart

*selbʰ- (Proto-Indo-European)

one's own

*selbaz (Proto-Germanic)

Self.

seolf (Old English)

silf (Middle English)

self (English)

(commercial, _, or, _, humorous) Myself.. (obsolete) Himself, herself, itself, themselves; that specific (person mentioned). (botany) A seedling produced by self-pollination (plural selfs).. (molecular biology, immunology) Any molecule, cell, or tissue of an organism's own (belonging to the self), as opposed to a foreign (nonself) molecule, cell, or tissue (for example, infective, allogenic, [...]