Where does “cínamom” come from?

cínamom (Catalan) comes from Latin cinnamum, from Ancient Greek κίνναμον, from Ancient Greek κιννάμωμον — Chinese cinnamon.

cínamom (Catalan): Russian olive (Elaeagnus angustifolia)

Definitions

Russian olive (Elaeagnus angustifolia)

Ancestry of “cínamom”, step by step

Step	Language	Word	Meaning
1	Latin	cinnamum	cinnamon
2	Ancient Greek	κίνναμον	—
3	Ancient Greek	κιννάμωμον	Chinese cinnamon

Every word from Ancient Greek κιννάμωμον →Every word from Ancient Greek κίνναμον →Every word from Latin cinnamum →