stele (n.)youdaoicibaDictYouDict[stele 词源字典]
"upright slab," usually inscribed, 1820, from Greek stele "standing block, slab," especially one bearing an inscription, such as a gravestone, from PIE root *stel- "to put, stand" (see stall (n.1)). Related: Stelar.[stele etymology, stele origin, 英语词源]