dif-prefix

Primary stress is usually determined by a subsequent element and the vowel of this prefix may be reduced accordingly; see e.g. diffract v.

Origin: A borrowing from Latin. Etymon: Latin dif-.

Etymology: < classical Latin dif-, assimilated form of dis- dis- prefix before f , as in differre differ v., diffūsio diffusion n. The usual reflex of the Latin prefix in Old French was def- (subsequently reduced to de- ), which is reflected in the earlier Middle English borrowings, e.g. defy v.¹, defer v.¹ (which shows formal overlap with differ v.; compare discussion at that entry). In later Romance borrowings (usually of a learned character) from Latin words formed with this prefix, the Latin form of the prefix has either been retained, or been restored under classicizing influence. The prefix is apparently used in only a single 17th-cent. formation within English, diffidelity n.

= dis- prefix.

This entry has been updated (OED Third Edition, March 2016; most recently modified version published online September 2021).

单词	dif-
释义	dif-prefix Primary stress is usually determined by a subsequent element and the vowel of this prefix may be reduced accordingly; see e.g. diffract v. Origin: A borrowing from Latin. Etymon: Latin dif-. Etymology: < classical Latin dif-, assimilated form of dis- dis- prefix before f , as in differre differ v., diffūsio diffusion n. The usual reflex of the Latin prefix in Old French was def- (subsequently reduced to de- ), which is reflected in the earlier Middle English borrowings, e.g. defy v.¹, defer v.¹ (which shows formal overlap with differ v.; compare discussion at that entry). In later Romance borrowings (usually of a learned character) from Latin words formed with this prefix, the Latin form of the prefix has either been retained, or been restored under classicizing influence. The prefix is apparently used in only a single 17th-cent. formation within English, diffidelity n. = dis- prefix. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online September 2021). < prefix
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