from jobe (vb.) to rebuke, reprove, or reprimand + -ation;
Dialectally, usually jawbation, as if derived from jaw, jawing.
1687 - Letter from John Smith in The Remains of Denis Granville;
see Example below
From: The Remains of Denis Granville
Being a Further Selection from his Correspondence. Diaries, and other Papers.1865
LXXI, Mr. Smith to Dean Granville, August 1, 1687