Late 19th century; earliest use found in Items of Interest. From regrind mid 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From re- + grind.
Definition of regrind in US English:
regrind
nounˈriːˌɡrʌɪnd
Manufacturing Technology
An act of regrinding; the result of this.
verbˈriːˌɡrʌɪnd
with objectTo grind again.
Origin
Late 19th century; earliest use found in Items of Interest. From regrind<br>mid 17th century; earliest use found in John Evelyn (1620–1706), diarist and writer. From re- + grind.