archaizing
ar cha iz ing |ˈärkēˌīziNG, ˈärkā -ˈɑrkiaɪzɪŋ | ▶adjective consciously imitating a word or a style of language or art that is very old or old-fashioned: some archaizing poetry.
archaizing |ˈɑːkeɪʌɪzɪŋ |(also archaising ) ▶adjective consciously imitating a word or a style of language or art that is very old or old-fashioned.