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……
A rare prefix found in a few learned nouns, chiefly borrowings from L or ML; e.g., pericardium, pericraneum, periferie, perimetre, periode, Peripatetike(s, peripleumonie, peritoneum, etc. It was……
A common prefix in words derived from Latin or French; e.g., probleme, processionarie, progenitour, pronosticacioun, propugnacle, prosperite, provincial (nouns); profounde, prolixe, propicious,……
A rare prefix occurring in a few ME nouns & adjectives: prothogol, prothomartir, prothonotarie; prothopaciens, prothopassive. It was not a living prefix in ME.
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A rare prefix in Middle English, signifying 'false, hypocritical, counterfeit', appearing chiefly in borrowings from Latin, but occasionally in ME formations modeled on Latin words: pseudofrere,……
