'angelicalness' originates from English, specifically from the word 'angelical' with the suffix '-ness', where 'angelical' meant 'like an angel' and '-ness' forms a noun indicating a state or quality.

'angelicalness' was formed in English by adding the suffix '-ness' to 'angelical', and eventually became the modern English word 'angelicalness'.

Initially, it meant 'the state of being like an angel', and this meaning has remained consistent in modern usage.