obdure
/ɒbdˈʊər/ or /ɒbˈdʊər/Definitions
1. verb
to render or make something difficult to flow, move, or pass; to obstruct
“The buildup of sediment obdured the river’s flow.”
2. noun
an obstruction or blockage that prevents something from flowing, moving, or passing
“The pipe’s obdure caused the water pressure to drop.”