Retund

Re·tund' transitive verb [ Latin retundere , retusum ; prefix re- re- + tundere to beat.] To blunt; to turn, as an edge; figuratively, to cause to be obtuse or dull; as, to retund confidence. Ray. Cudworth.
Found on http://www.encyclo.co.uk/webster/R/69

Retund

• (v. t.) To blunt; to turn, as an edge; figuratively, to cause to be obtuse or dull; as, to retund confidence.
Found on http://thinkexist.com/dictionary/meaning/retund/
No exact match found