Stereo
来自Big Physics
from Greek stereos ‘solid’.
wiktionary
Shortened form of stereotype, stereoscope or stereophonic, all originally derived from Ancient Greek στερεός(stereós, “solid”).
etymonline
stereo
1823 as a shortening of stereotype (n.); 1876 as a shortening of stereoscope; 1954 as a shortening of stereophonic (adj.); the noun meaning "stereophonic record or tape player" is recorded from 1964.