'precariously' originates from Latin, specifically the word 'precarius,' where 'precari' meant 'to pray or entreat.' 'Formed' comes from the Latin 'formare,' meaning 'to shape or mold.'

'Precariously' changed from the Latin 'precarius' to the Old French 'precarieus,' and eventually became the modern English word 'precarious.' 'Formed' evolved from the Latin 'formare' to the Old French 'former,' and eventually became the modern English word 'form.'

Initially, 'precarious' meant 'obtained by entreaty or prayer,' but over time it evolved into its current meaning of 'not securely held or in position.'