In verbs inherited from OE:(a) From OE ā-: a-biden, a-breken, a-fallen, a-reren, a-risen, a-senden, a-waken, a-winnen, and many others. (b) From OE on-: a-biden (also an-biden), ppl. a-knoue(n (also……

From early ME a prep., derived from unstressed an before nouns, adjs., and advs. beginning with a consonant [OE on, an]. (a) Orig. noun phrases: a-beggeþ, a-bedde, a-blode, a-clokke, a-dai(es,……

Verbal cpds.: (a) after- bending, the second bending, a bending back (of a bow); prob., the shaping process which gives the ends a curvature the reverse of that at the center; after- berende, bearing……

(a) With depreciative or privitive force: declinen, decresen, decrien, defamen, defectif, degraden, despeiren, desperat, desolat, etc.; (b) in words which as a whole denote something disagreeable or……

In many words, such as desarmen, descrien, desdein, deshonour, desparagen, despisen, despit. The prefix des- is synonymous with dis-(q.v.) and is frequently replaced by it in ME, esp. during the later……

In verbs, ppls., and verbal nouns taken from L and/or OF: digest, digesten, digestion, dilacioun, dilaten, diligent, diluvie, diminucioun, dimise, etc. For meanings see dē̆- and dis-. …

Med. In names of pharmaceutical preparations, or drugs, usually indicating that the herb or the like which follows is the chief ingredient: (a) dia- bardich, some kind of drug; dia- borago, a drug……

Only in some words taken from L and/or OF: difference, differren, difficultẹ̄, diffinen, diffinicioun, diffusioun. For meaning, see dis-. …

(a) In many verbs, verbal nouns, and verbal adjs. taken either from L or OF, dis- clearly has adversative or privitive force, as in disal(l)ouen, disavauntage, disavouen, discomfort, disconsolat,……

Prefix of verbs, action nouns, and agent nouns in words adopted from OF, e.g. enter-chaunǧen, -comūnen, -dīten, -medlen, -mēten; enter-cǒurs, -dīt, -lūde, -prīse, -mētǒur. The original meaning of……

Prefix of verbs and action nouns adopted from OF, e.g. es-cāpen, es-chaunǧen, es-pleiten, es-soinen. It is not formative in ME. as- and a-, the AF variants of this prefix, occur alongside the CF……

Prefix in nouns, adjectives, adverbs, verbs, gerunds, participles, and prepositions; also in place names [see Smith PNElem. 1.281]. It is frequent in words of OE origin: (nouns) inborgh,……

Negative prefix in nouns, adjectives, adverbs, verbs, participles, and gerunds. It occurs in many words of L or OF origin: (nouns) ignoraunce, imbecilite, immoderaunce, impietie, importunite,……

Prefix found in nouns, adjectives, verbs, and gerunds; occurring chiefly in words from L or OF: (nouns) intercepcioun, intercession, interjeccioun, interspace; (adj.) intercise, interliniare,……

A prefix appearing in nouns of OF origin: maleaventure, malecheif, Malebouche, malefortune, malengine, malese, malfetour, maltalent, maudisour, etc.; occasionally in adjectives: malapert, maleureux……

A prefix with a wide range of pejorative meanings: evil(ly, sinful(ly, wicked(ly, false(ly, unjust(ly, illegal(ly, bad(ly, harmful(ly, painful(ly, wrong(ly, incorrect(ly, mistaken(ly, unwise(ly……

A derivational prefix appearing in all parts of speech except pronouns, but most frequently in verbs. It is found in words descended from OE: (verbs) onblowen, onbrirden, onhauien, onheven [see……

A rare prefix occurring almost exclusively in words of French or Latin origin; e.g., paramoure, parclose, pardoun (nouns); parboilen, pardounen, pargeten (verbs); paregal, parfit (adj.)……

A very rare prefix found in a few learned words: parable, parabolik, paradise, paralisie, paralitike, etc. It was not a living prefix in ME. …

A common prefix in words of French or Latin origin; e.g., percepcioun, percussioun, perjurie, permanence, perpendicle, perspicuite (nouns); perdurable, permanent, perpetrat, pertinent (adj.)……