Depending on context, Ersatz can be translated as:
surrogate
replacement
substitute
spare
alternative
refund
compensation
reimbursement
In simplest terms Ersatz means Fake or a Substitute.
The word "Ersatz" is a German word meaning substitute for or replacement of. It usually refers to something of less quality than the original. For example PG Tips (tea) vs store brand tea.
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As an adjective, ersatz means "made in imitation". As a noun, an ersatz is something which is made in imitation, as an effigy or substitute for the original.
knock-off, imitation, ersatz
What does Arabic word inshallala mean in English
dog
An ersatz swing would be an imitated; or fake swing.