Where does “penedamäk” come from?

penedamäk (Volapük) comes from Volapük pened, from Volapük pen — pen.

penedamäk (Volapük): postage stamp

Definitions

Step	Language	Word	Meaning
1	Volapük	pened	letter
2	Volapük	pen	pen

penedamäk — Etymology, Origin & Word History | Etymology Explorer