This is the 4843rd most frequent German word.
abstellgleis
"Abstellgleis" means "siding track" or figuratively "sideline," referring to being set aside, marginalized, or removed from active involvement.
In this sentence, 'Abstellgleis' metaphorically refers to being sidelined or no longer actively pursued in a professional or project context.
Nach der Umstrukturierung wurde ihr Projekt auf das Abstellgleis geschoben.
After the reorganization, her project was sidelined.
Here, 'Abstellgleis' is used literally to describe a physical siding in a railway context where inactive trains are placed.
Das alte Zugabteil wurde auf das Abstellgleis verlegt.
The old train compartment was moved to the siding.
Here, 'Abstellgleis' conveys a personal feeling of being relegated to a less significant or inactive status.