This is the 3760th most frequent German word.
rinder
"Rinder" means "cattle" in English.
The word 'Rinder' is used here as a plural noun referring to cattle.
Die Rinder grasen auf der Weide.
The cattle are grazing in the pasture.
In this sentence, 'Rinderfilet' is a compound noun, where 'Rinder' denotes the beef origin of the filet.
Rinderfilet ist eine Delikatesse.
Beef fillet is a delicacy.
Here, 'Rinder' is part of the compound noun 'Rinderherde', emphasizing the group of cattle being referred to.