Where does “लिफ़ाफ़ा” come from?

लिफ़ाफ़ा (Hindi) comes from Arabic لِفَافَة.

लिफ़ाफ़ा (Hindi): envelope; wrapper, cover; plastic bag

Definitions

Step	Language	Word	Meaning
1	Arabic	لِفَافَة	—

लिफ़ाफ़ा — Etymology, Origin & Word History | Etymology Explorer