←
Old English þweran (cognate)
←
Old English þwirel (mention)
←
Ancient Greek κορύνη (mention)
←
Ancient Greek σιβύνη (mention)
←
Ancient Greek χελύνη (mention)
←
Ancient Greek τείρω (mention)
→
Ancient Greek πύρνος (mention)
→
Ancient Greek πύρνος (mention)
→
Ancient Greek τολύπη (mention)