What is the ultimate Greek source word for the English term "anchor"?

Answer

ánkyra (ἄγκυρα)

The English word "anchor" traces through Old French (*ancor*) and Latin (*ancora*) back to the Greek word *ánkyra* (ἄγκυρα).

What is the ultimate Greek source word for the English term "anchor"?
inventionHistoryOriginmaritimeanchor