Where does “Fucus” come from?

Fucus (New Latin) comes from Ancient Greek φῦκος, from Hebrew פוך — eye-rouge.

Ancestry of “Fucus”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	φῦκος	seaweed
2	Hebrew	פוך	eye-rouge

Fucus — Etymology, Origin & Word History | Etymology Explorer