French tourbe

← English turf (cognate)

← Middle French tourbe (mention)

← Old French tourbe (mention)

← Proto-Germanic *turbaz (mention)

← Old High German zurba (cognate)

← Proto-Indo-European *dorbʰós (mention)

→ Catalan torba (borrowed)

→ Spanish turba (borrowed)

→ French tourbeux (suffix)

→ French tourbière (suffix)

→ French tourbage (suffix)

→ French tourber (suffix)

→ Galician turba (borrowed)

→ Italian torba (borrowed)

→ Italian torbiera (mention)

→ Romanian turbă (borrowed)