in·ves·ti·ture
noun/ɪnˈvestɪtʃə(r)/
/ɪnˈvestɪtʃər/
[uncountable, countable]- the fact of somebody formally receiving an official title or special powers; a ceremony at which this happens
授衔仪式；授权仪式 Word Originlate Middle English: from medieval Latin investitura, from investire, from in- ‘into, upon’ + vestire ‘clothe’ (from vestis ‘clothing’).