French goudron

← Arabic قَطْرَان (mention)

← Middle French goutren (mention)

← Old French catran (mention)

← Latin catarannus (mention)

→ English goudron (borrowed)

→ Esperanto gudro (borrowed)

→ French goudronner (suffix)

→ French goudronneux (suffix)

→ Italian catrame (cognate)

→ Romanian gudron (borrowed)

→ Russian гудрон (borrowed)