Polish blacha

← German Blech (borrowed)

← Proto-Germanic *bliką (derived)

← Middle High German blëch (derived)

← Proto-West Germanic *blik (derived)

← Old High German bleh (derived)

→ Polish blaszany (affix)

→ Polish blacharz (affix)

→ Polish blachosmród (affix)

→ Polish blaszka (affix)

→ Russian бляха (borrowed)