Word Origin & History
ruinlate 14c., "act of giving way and falling down," from O.Fr. ruine, from L. ruina "a collapse" (cf. Sp. ruina, It. rovina), related to ruere "to rush, fall violently, collapse," of unknown origin. Meaning "complete destruction of anything" is from 1670s. The verb is first recorded 1580s, from the noun;
financial sense is attested from 1660. Ruins "remains of a decayed building or town" is from mid-15c.