listo
/ˈlisto/ · A1 · adj
ready, set, all set, prepared, poised, up, down
📋 listo = on the LIST-o: ticked off the list, so ready and sharp
Sounds like list + o. Everything on the list is ticked, so you are listo. With estar it means ready (estoy listo = I am ready); with ser it means clever (es lista = she is smart). Listos! is the get set call before a race.