intercambiar
/inteɾkamˈbjaɾ/ · B2 · verb
to interchange, to exchange
🔄🤝 inter + cambiar = between + change: to swap things between people
From Latin inter (between) and Late Latin cambiare (to exchange), the same root behind English change. Spanish cambiar means to change, so intercambiar means to change things back and forth between two sides, the same as English interchange.