'aruspice' originates from Latin, specifically the word 'haruspex', where 'haru-' meant 'entrails' and '-spec' (from 'specere') meant 'to look'.

'aruspice' changed from the Middle English/Medieval Latin word 'haruspice' (from Latin 'haruspex') and eventually appeared in modern English as the variant 'aruspice' (loss or weakening of the initial 'h' and orthographic variation).

Initially, it meant 'one who inspects entrails to divine omens', but over time it has remained largely the same in meaning while becoming archaic and rare in modern usage as 'an entrails-diviner' or more generally 'a diviner'.