Where does “zichtbaar” come from?

zichtbaar (Dutch) comes from German sichtbar, from German Sicht, from Middle High German siht, from Old High German siht, from Proto-West Germanic sihti, from Proto-West Germanic sehwan, from Proto-Germanic sehwaną, from Proto-Indo-European sekʷ- — to follow; to see; to say.

zichtbaar (Dutch): visible