Where does “fūcus” come from?

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

Ancestry of “fūcus”, step by step

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

fūcus — Etymology, Origin & Word History | Etymology Explorer