Passthrough is a alternative form of passthru.
As nouns the difference between passthru and passthrough
is that passthru is nonstandard spelling of lang=en while passthrough is the act or process of passing through, especially of a signal through a device or network.
passthrough
English
Alternative forms
* (US) passthru
Noun
(-)
The act or process of passing through, especially of a signal through a device or network.