dilapidation (n.)youdaoicibaDictYouDict[dilapidation 词源字典]
early 15c., from Late Latin dilapidationem (nominative dilapidatio) "a squandering," noun of action from past participle stem of Latin dilapidare "throw away, squander, waste," literally "pelt with stones" (thus "ruin, destroy") or else "scatter like stones," from dis- "asunder" (see dis-) + lapidare "throw stones at," from lapis (genitive lapidis) "stone." "Taken in Eng. in a more literal sense than was usual in Latin" [OED].[dilapidation etymology, dilapidation origin, 英语词源]