'[sensitively-formed]' originates from '[English]', specifically the words '[sensitive]' and '[formed]', where '[sensitive]' meant '[delicate or responsive to stimuli]' and '[formed]' meant '[shaped or created]'.

'[sensitively-formed]' changed from '[Middle English]' words '[sensitif]' and '[formed]' and eventually became the modern English word '[sensitively-formed]'.

Initially, it meant '[delicately shaped]', but over time it evolved into its current meaning of '[created with sensitivity]'.