overtype
/ˈoʊvəˌraɪp/Definitions
1. noun
A type of key switch that can be pressed and held to continue typing, often used on typewriters.
“The old typist preferred the feel of the overtype key on her vintage machine.”
2. verb
To type over or replace existing text on a typewriter or similar device.
“She had to overtype the entire page because of a paper jam.”