Linguistics. Conformity of words or language to a regular or consistent pattern; (hence) a set of rules describing the behaviour of language, or…

The turning of a word or phrase aside from its actual form, application, or grammatical use. archaic.

(See quot. 1656) Subsequently used in a wider sense to account for the presence of an unetymological vowel (cf. anaptyxis, n.) or consonant.

The term applied originally by Sanskrit grammarians to assimilative changes occurring in Sanskrit in the final and initial sounds of words in a…

Linguistics. An archaic word, form, particle, etc., surviving from an earlier language or period; a relict (see relict, n. 3f).

Repetition of the same form at a later stage of development; return to an earlier form. rare.

The reinterpretation of the form of a word resulting in the creation of a new word; esp. the changing of the boundaries between words or…

Philology. (See quot. 1921.)

Those elements or features of a language responsible for change in a contact language to which it is neither dominant nor subordinate; this…

the action or process of grammaticalizing.

Esp. in a pidgin or creole language: the process whereby a word or group of words in one language is replaced with a corresponding word or group…