cyclone

Where does the word "cyclone" come from? It comes from Greek kyklon, and was adopted directly into English (1848).

Cyclone’s story begins in Greek: kyklon meant “circling, moving in a circle.” Circling, moving in a circle, from kyklos (circle). It reached English by 1848 as cyclone. Coined by a British meteorologist for a rotating tropical storm system. Today, cyclone means a large-scale rotating storm system, especially in the Indian Ocean region.

1. Stage 1 · Greek · ancient kyklon "circling, moving in a circle", circling, moving in a circle, from kyklos (circle).
2. Stage 2 · English · 1848 cyclone "a rotating storm system", coined by a British meteorologist for a rotating tropical storm system.