The Spanish word 'poquito' meaning 'very little' comes from combining the Spanish word 'poco' (meaning 'little, few') with the diminutive suffix '-ito'. The base word 'poco' itself derives from Latin 'paucus', which also meant 'little' or 'few'. The addition of the diminutive '-ito' intensifies the sense of smallness or fewness, giving us 'poquito' - literally 'a little bit' or 'very little'.

The most obvious related Spanish word is 'poco', which is the base word from which 'poquito' is formed. While 'poco' means 'little' or 'few', 'poquito' is its diminutive form, making the meaning more intense - 'very little' or 'tiny bit'. Spanish speakers often use 'poquito' to emphasize the smallness of something or to make their speech sound more gentle or modest.

While English doesn't have many common words directly related to 'poquito', we do see the Latin root 'paucus' in some English words. For example, 'paucity' means 'the presence of something in only small or insufficient quantities'. This academic word maintains the original meaning of fewness or scarcity from the Latin ancestor.