a baculo

== English == === Etymology === Learned borrowing from Latin ā baculō (literally “by means of the rod”), from ā (“of, from”) + baculō (“sceptre, rod”), ablative singular of baculum. === Adverb === a baculo (not comparable) (uncommon) Argued by means of force rather than logic. === References === Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], →ISBN), page 3