steno-youdaoicibaDictYouDict[steno- 词源字典]
before vowels sten-, word-forming element meaning "narrow," from comb. form of Greek stenos "narrow, strait," as a noun "straits of the sea, narrow strip of land," also metaphorically, "close, confined; scanty, petty," from PIE *sten- "narrow."[steno- etymology, steno- origin, 英语词源]