The Spanish word 'delgadito' meaning 'rather thin' or 'slim' has an interesting Latin origin. It comes from the Spanish word 'delgado' (thin, slim) with the addition of the diminutive suffix '-ito'. The base word 'delgado' evolved from Latin 'delicatus' meaning 'delicate' or 'dainty', which itself was formed from the prefix 'de-' (meaning 'down' or 'away') and the verb 'lacere' (meaning 'to entice or allure'). The semantic shift from 'delicate/dainty' to 'thin/slim' is quite intuitive, as delicate things are often perceived as thin or slight.

A simpler and more common Spanish word related to 'delgadito' is 'delgado', which simply means 'thin' or 'slim'. While 'delgado' is the basic form, 'delgadito' adds the diminutive suffix '-ito' to create a softer or more endearing way to say 'thin' - something like 'slender' or 'rather thin'.

English speakers might recognize the connection to the word 'delicate', which comes from the same Latin root 'delicatus'. While the Spanish word focused on the 'thin/slim' aspect of being delicate, the English word 'delicate' retained more of the original Latin meaning of being dainty, fine, or requiring careful handling. This shared etymology helps explain why we often associate delicate things with being thin or slight.