inasmuch as

inasmuch as /ˌɪnəzˈmʌtʃəz/ conjunction
inasmuch as
/ˌɪnəzˈmʌtʃəz/
conjunction
Britannica Dictionary definition of INASMUCH AS
formal
— used to introduce a statement that explains, limits, or gives more specific information about what you have just said