The Spanish verb 'accionar' comes from the Latin word 'actio', meaning 'action' or 'movement'. First, 'actio' evolved into the Spanish noun 'acción' (action). Then, by adding the common Spanish verb suffix '-ar', the verb 'accionar' was formed, meaning 'to act' or 'to operate'.

This development shows a common pattern in Spanish where verbs are created from nouns by adding the '-ar' suffix, similar to how English sometimes turns nouns into verbs.

The most obvious related Spanish word is the noun 'acción', meaning 'action', which is generally learned earlier by Spanish students. When you see 'accionar', you can think of it as the verb form of 'acción' - essentially 'to do an action' or 'to make something work'.

English speakers can easily connect 'accionar' to several familiar English words that come from the same Latin root 'actio', such as 'action', 'act', 'active', and 'activate'. Just as 'activate' means to make something active or operational, 'accionar' has a similar meaning of operating or putting something into action.