'badgerer' originates from English, specifically formed by adding the agentive suffix '-er' to the verb 'badger', where 'badger' (the verb) means 'to harass or pester'.

'badgerer' developed from the verb 'badger' + '-er'. The verb 'badger' in English arose from the noun 'badger' (the animal) and later took on the sense 'to harass, pester', leading to agent nouns such as 'badgerer'.

Initially the root related to the animal 'badger' (and activities around it); over time the verb 'badger' acquired the figurative meaning 'to pester or harass', and 'badgerer' came to mean 'one who pesters or harasses'.