The Greek noun anemos means wind. Occurring 31 times in the NT, it describes literal wind (storms on the Sea of Galilee) and is used metaphorically for false teaching, spiritual instability, and the unpredictable ways of the Holy Spirit (John 3:8).
Wind in Scripture is a powerful theological image. Jesus rebuked the wind and it obeyed (Mark 4:39) — demonstrating His divine authority over creation. In John 3:8, Jesus uses anemos to describe the mysterious sovereignty of the Holy Spirit: 'The wind blows wherever it pleases.' You hear its sound but cannot tell where it comes from or where it's going. Pentecost came with the sound of a rushing mighty wind (Acts 2:2). Anemos thus spans from chaos (storms) to divine mystery (Spirit's movement).