hemi-youdaoicibaDictYouDict[hemi- 词源字典]
word-forming element meaning "half," from Greek hemi- "half," from PIE root *semi-, which is the source of Sanskrit sami, Latin semi- (see semi-), Old High German sami- "half," and Old English sam-, denoting a partial or imperfect condition (see sandblind).[hemi- etymology, hemi- origin, 英语词源]