CONJUNCTIONS. But with contingency expressed or impliedBut meaning except may apply to an expressed contingency, as (1)
i.e. "God forbid everything except (I should, &c.)"
“God defend but I should still be so.
i.e. "Excepting the supposition of our being charged." (2) Sometimes the contingency is merely implied.
“But being charged we will be still by land.
“I should sin
To think but (except I should think) nobly of my grandmother.
i.e. "only your comfort." The last passage illustrates the connection between but meaning only, and but used adversatively.
“Her head's declined and death will seize her, but
Your comfort makes her rescue.