Definition of metacultural in English:
metacultural
adjective ˌmɛtəˈkʌltʃ(ə)rəlˌmɛtəˈkʌltʃ(ə)r(ə)l
That transcends any particular culture, or exists across cultures.
Origin
1940s; earliest use found in Philosophical and Phenomenological Research. From meta- + cultural.