'dependably-performed' is a compound word formed from 'dependably' and 'performed'. 'Dependably' originates from the Latin word 'dependere', meaning 'to hang down' or 'to rely on', while 'performed' comes from the Old French 'parfournir', meaning 'to complete' or 'to carry out'.

'dependably' evolved from the Latin 'dependere' through Middle English 'depender', and 'performed' evolved from Old French 'parfournir' to Middle English 'performen'.

Initially, 'dependably' meant 'in a manner that can be relied upon', and 'performed' meant 'to carry out'. The compound 'dependably-performed' retains these meanings, emphasizing reliability in execution.