Etymology PIE word *h₁én From Middle English in-, from Old English in- (“in, into”, prefix), from Proto-Germanic *in, from Proto-Indo-European *h₁én. More at in.
Etymology From Middle English in-, borrowed (in words of Latinate origin) from Latin in-, from Latin in, from Proto-Indo-European *en (cognate to Germanic in-, above). Often borrowed from French in- (e.g. incise, incite, incline, indication), or as French en-, originally from Latin in.
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Morpheme in, into
il- before l, e.g. illusion im- before b, m, or p, e.g. imperil ir- before r, e.g. irrigateNote: Before certain letters, in- becomes
Etymology PIE word *né From Middle English in-, borrowed (in words of latinate origin) from Latin in- (“not”). Sometimes the Latin word has passed through French before reaching English (e.g. incapable, incertainty, inclement, incompatible). Doublet of un-.
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Idiomatic, Morpheme Used with certain words to reverse their meaning.
ig- before n, e.g. ignoble il- before l, e.g. illegal im- before b, m, or p, e.g. improper ir- before r, e.g. irresistibleNote: Before certain letters, in- becomes
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Idiomatic, Morpheme Added to adjectives to mean not.
inedible
inaccurate
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Idiomatic, Morpheme Added to nouns to mean lacking or without.