samadhi (n.)youdaoicibaDictYouDict[samadhi 词源字典]
"intense esoteric meditation through yoga," 1795, from Sanskrit samadhi-, literally "a putting or joining together," from sam- "together" + a- "toward" + stem of dadhati "puts, places," from PIE root *dhe- "to do, set, put" (see factitious).[samadhi etymology, samadhi origin, 英语词源]