ex·cept / ikˈsept/ • prep. not including; other than: they work every day except Sunday.• conj. used before a statement that forms an exception to one just made: I didn't tell him anything, except that I needed the money.• v. [tr.] formal specify as not included in a category or group; exclude: he excepted from his criticism a handful of distinguished writers.

except2 †pp. excepted; prep. if one leaves out of account XIV; †conj. unless XV; otherwise than XVI. — L. exceptus, pp. of excipere (see prec.) The prep. arose (i) partly from the use of the pp. in concord with a following sb. or pronoun, e.g. except women, i.e. women excepted, (ii) partly in imitation of (O)F. excepté excepted, and late L. abl. exceptō, which was used as a prep. by extension of the classical L. usage with a clause, exceptō quod … except that … (whence the conjunctional use of except).

except1 leave out of account. XV. f. except-, pp. stem of L. excipere, f. EX-1 + capere take.
So exception action of excepting, case excepted XIV; defendant's plea in bar of plaintiff's action XV; objection, demur XVI. — (O)F. — L. Hence exceptionable XVIII, exceptional XIX. excepting prp. passing into prep., if one excepts, except. XV.