existent
/ɪgˈzɪstənt/adjective
- formal having reality or existence〈正式〉存在的, 现存的, 实有的:
the technique has been existent for some years.
该技术已存在数年了。
词源
mid 16th cent.: from Latin exsistent- 'coming into being, emerging', from the verb exsistere (see EXISTENCE).