psilo-youdaoicibaDictYouDict[psilo- 词源字典]
before vowels psil-, word-forming element meaning "stripped, bare," from Greek psilos "bare, naked; mere," perhaps akin to psen "to rub," and both or either perhaps from PIE root *bhes- "to rub" (source also of Greek psamathos "sand;" see sand (n.)).[psilo- etymology, psilo- origin, 英语词源]