The Spanish word 'antemano' (meaning 'beforehand') comes from combining two Latin words: 'ante' meaning 'before' or 'in front of', and 'manus' meaning 'hand'. In Spanish, these elements evolved into 'ante-' (maintaining its meaning of 'before') and 'mano' ('hand'). When combined, they literally mean 'before hand', which developed into the adverbial meaning of 'beforehand' or 'in advance', similar to how we use 'beforehand' in English.

The word 'mano' (hand) is a very common Spanish word that you might already know. It's one of the components of 'antemano' and is used frequently in everyday Spanish. Other common Spanish words using 'ante-' include 'anterior' (previous, anterior) and 'antes' (before), which all share the notion of 'before' or 'in front of'.

English has many words derived from the same Latin roots. From 'ante', we get words like 'anterior' (front), 'antecedent' (something that comes before), and 'ante' as in 'up the ante'. From 'manus', we get words like 'manual' (done by hand), 'manufacture' (originally meaning to make by hand), and 'manage' (which originally referred to handling horses). Interestingly, just as Spanish combines these roots to form 'antemano', English combines similar elements to create 'beforehand'!