From Greek 'autós' (self) — one of English's most productive prefixes, from ancient 'autograph' to modern 'autocomplete' and 'autosave.'
A prefix meaning 'self,' 'by oneself,' or 'of oneself,' derived from Greek and used to form words indicating self-action, self-reference, or independence from external agency.
From Greek 'autós' (αὐτός, self, same, he/she/it), of uncertain deeper etymology. In Greek, 'autós' functioned both as an intensive pronoun ('the man himself') and as the reflexive element in compounds. It is the source of 'automobile' (self-moving), 'autobiography' (self-life-
The word 'autopsy' means literally 'seeing for oneself' — from Greek 'autopsía' (αὐτοψία), from 'autós' (self) + 'ópsis' (sight, seeing). It originally meant firsthand observation of any kind, not specifically examination of a corpse. The medical sense developed because a post-mortem examination is the ultimate act of 'seeing for yourself' what caused a death, rather than relying on reported symptoms