overstrike

verb

1. (obsolete, reflexive)To overreach oneself while striking.

   “For as he in his rage him overstrooke, / He, ere he could his weapon backe repaire, / His side all bare and naked overtooke, / And with his mortal steel quite through the body strooke.”

2. (transitive)To cover up (a design, mark etc.) by stamping another on top of it; to superimpose a mark or logo on (a coin, stamp, etc.).
3. (transitive)To strike (something) too hard.

noun

1. (countable, uncountable)A coin that has been overstruck, i.e. coined more than once.
2. (countable, uncountable)The printing of one character over another, as - on top of L to produce Ł.
3. (uncountable)overtype (feature where input replaces existing characters instead of being inserted before them)