keyboard lock
A feature or state that disables keyboard input, often used on computers, phones, or other devices to prevent accidental key presses.
When cleaning your laptop, please engage the keyboard lock.
This app has a keyboard lock feature.
Wasei-eigo (Japanese-made English) from 'keyboard' + 'lock'. The exact derivation is uncertain, but it follows a common pattern of combining English loanwords to name technical features.