Early 19th century; earliest use found in James Hogg (d. 1835), poet and novelist. Alteration of because, on the analogy of such pairs as ahind vs. behind, afore vs. before, etc.
Definition of acause in US English:
acause
conjunction
Regional
Because. Also as adverb with of.
Origin
Early 19th century; earliest use found in James Hogg (d. 1835), poet and novelist. Alteration of because, on the analogy of such pairs as ahind vs. behind, afore vs. before, etc.