in·cho·a·tive
adjective/ɪnˈkəʊətɪv/
/ɪnˈkəʊətɪv/
(grammar)- (of verbs) expressing a change of state that happens on its own. Opened in the door opened is an example of an inchoative verb.
表始的（表示动作自动开始的，如 the door opened 中的 opened）