depreciate
Concise Oxford English Dictionary © 2008 Oxford University Press:
depreciate /dɪˈpriːʃɪeɪt, -sɪ-/
▶verb
- 1 diminish in value over a period of time.
■ reduce the recorded value of (an asset) over a predetermined period.
- 2 disparage or belittle.
– derivatives
depreciable adjective,
depreciation noun,
depreciative adjective,
depreciatively adverb,
depreciatory /dɪˈpriːʃ(ɪ)ət(ə)ri/ adjective.
depreciable adjective,
depreciation noun,
depreciative adjective,
depreciatively adverb,
depreciatory /dɪˈpriːʃ(ɪ)ət(ə)ri/ adjective.
– origin ME: from late L. depreciat-, depreciare ‘lower in price, undervalue’, from L. de- ‘down’ + pretium ‘price’.
'depreciate' also found in these Oxford entries:

