The Spanish word 'tiro' (meaning 'shot' or 'throw') comes from the Spanish verb 'tirar' (meaning 'to throw' or 'to shoot'), which ultimately traces back to an ancient Iranian root 'tir' meaning 'arrow'. This etymology shows how the concept evolved from a concrete object (an arrow) to the action of propelling it (to throw/shoot) and finally to the noun describing the action itself (a shot/throw).

The verb 'tirar' is a very common Spanish word that's closely related to 'tiro'. While 'tirar' is the action of throwing or shooting, 'tiro' is the noun form referring to the shot or throw itself. You might hear 'tirar' in everyday contexts like 'tirar la basura' (to throw away the trash) or 'tirar una pelota' (to throw a ball).

While there aren't direct English cognates from this Iranian root, English borrowed some related words through Persian, such as 'tiara', which originally referred to a pointed crown and shares a connection to the ancient concept of something pointed or arrow-like. However, this connection is quite distant and might not be helpful for Spanish learners.