Morpheme
a-
Type
prefix
Denotation
Old English prefix denoting (1) “on, in, into, at, engaged in”; (2) “off, from”; (3) reduced form of Old English ge-
Etymology
Middle English a-, an-; Old English ā-, an-, from an, ge-
Evidence
aback, abide, abluster, aboil, abreast, abroad, afire, afoot, afresh, again, against, aglow, ahead, akin, alate, alike, alive, amaze, anew, apace, arise, around, aseethe, ashamed, ashore, asleep, astern, asunder, await, aware, awry, hushaby, jackanape, lullaby, peekaboo, pinafore, ragamuffin
