Where does “saffier” come from?

saffier (Middle Dutch) comes from Latin sapphīrus, from Ancient Greek σάπφειρος, from Hebrew סַפִּיר.

Ancestry of “saffier”, step by step

Step	Language	Word	Meaning
1	Latin	sapphīrus	a blue gem from the east, probably the lapis lazuli
2	Ancient Greek	σάπφειρος	sapphire
3	Hebrew	סַפִּיר	—