The Spanish word 'devocional' (meaning 'devotional') has its roots in Latin. It starts with the Latin verb 'vovere' meaning 'to vow or dedicate.' When combined with the Latin prefix 'de-' (meaning 'down' or 'completely'), it formed 'devovere,' meaning 'to dedicate or consecrate.' From this verb came the Latin words 'devotus' (devoted, dedicated) and 'devotio' (devotion).

The Latin 'devotio' evolved into the Spanish word 'devoción' (devotion), and by adding the Spanish suffix '-al' (meaning 'relating to'), we get 'devocional' - something relating to devotion or religious dedication.

A simpler and more common Spanish word that's closely related to 'devocional' is 'devoción' (devotion). While 'devoción' refers to the act or feeling of religious devotion itself, 'devocional' specifically describes things that are related to or used in devotional practices, such as devotional books or materials.

English speakers can easily connect 'devocional' to several similar English words that share the same Latin roots: 'devotion,' 'devoted,' and 'devotional.' These words maintain very similar meanings to their Spanish counterpart, all relating to dedication and religious commitment. The English 'devotional,' just like Spanish 'devocional,' specifically refers to things used for or relating to religious worship and devotion.