←
Proto-Germanic *turbz (derived)
←
Middle Low German torf (derived)
←
Proto-West Germanic *turb (derived)
←
Old High German - (cognate)
←
Old High German zurf (mention)
←
Proto-Indo-European *derbʰ- (root)
←
Proto-Indo-European *derbʰ- (derived)
←
Old Saxon turf (derived)
←
Old Saxon *torf (mention)
→
Esperanto torfo (borrowed)
→
Georgian ტორფი (derived)
→
Latvian darbs (cognate)
→
Russian торф (borrowed)