Where does “फ़रीदाबाद” come from?

फ़रीदाबाद (Hindi) comes from Hindi -आबाद, from Classical Persian ـآباد.

Ancestry of “फ़रीदाबाद”, step by step

StepLanguageWordMeaning
1Hindi-आबादplacename suffix; city
2Classical Persianـآباد
Every word from Classical Persian ـآبادEvery word from Hindi -आबाद