1. ALTHOUGH, signifying admit, allow, is from all and though; the latter being supposed the imperative of Thafian or Thafigan, to allow, to concede, to yield.
2. AN, an obsolete or antiquated conjunction, signifying if, or grant, is the imperative of the Anglo-Saxon verb Anan or Unan, to grant, to give.
3. AND, [Saxon, And,] add, is said by Tooke to come from "An-ad, the imperative of Ananad, Dare congeriem."—D. of P., Vol. i, p. 111. That is, "To give the heap." The truth of this, if unapparent, I must leave so.
4. AS, according to Dr. Johnson, is from the Teutonic als; but Tooke says that als itself is a contraction for all and the original particle es or as, meaning it, that, or which.
5. BECAUSE, from be and cause, means by cause; the be being written for by.
6. BOTH, the two, is from the pronominal adjective both; which, according to Dr. Alexander Murray, is a contraction of the Visigothic Bagoth, signifying doubled. The Anglo-Saxons wrote for it butu, butwu, buta, and batwa; i. e., ba, both, twa, two.
7. BUT,—(in Saxon, bute, butan, buton, or butun—) meaning except, yet, now, only, else than, that not, or on the contrary,—is referred by Tooke and some others, to two roots,—each of them but a conjectural etymon for it. "BUT, implying addition," say they, "is from Bot, the imperative of Botan, to boot, to add; BUT, denoting exception, is from Be-utan, the imperative of Beon-utan, to be out."—See D. of P., Vol. i, pp. 111 and 155.
8. EITHER, one of the two, like the pronominal adjective EITHER, is from the Anglo-Saxon Æther, or Egther, a word of the same uses, and the same import.
9. EKE, also, (now nearly obsolete,) is from "Eac, the imperative of Eacan, to add."
10. EVEN, whether a noun, an adjective, an adverb, or a conjunction, appears to come from the same source, the Anglo-Saxon word Efen or Æfen.