A course In Modern English Lexicology

§ 22. Nature of Semantic
Chang any semantic change, no matter what its
cause, is some connection, some association
between the old meaning and the new. There are two kinds of association involved as a rule in various semantic changes namely: a) similarity of meanings, and b) contiguity of meanings.
S i m i l a r i t y of m e a n i n g s or metaphor may be described as a semantic process of associating two referents, one of which in some way resembles the other. The word hand, e.g., acquired in the 16th century the meaning of ‘a pointer of a clock of a watch’ because of the similarity of one of the functions performed by the hand (to point at something) and the function of the clockpointer. Since metaphor is based on the perception of similarities it is only natural that when an analogy is obvious, it should give rise to a metaphoric meaning. This can be observed in the wide currency of metaphoric meanings of words denoting parts of the human body in various languages (cf. ‘the leg of the table’, ‘the foot of the hill’, etc.). Sometimes it is similarity of form, outline, etc. that underlies the metaphor. The words warm and cold began to denote certain qualities of human voices because of some kind of similarity between these qualities and warm and cold temperature. It is also usual to perceive similarity between colours and emotions.
It has also been observed that in many speech communities colour terms, e.g. the words black and white, have metaphoric meanings in addition to the literal denotation of colours.
C o n t i g u i t y of meanings or metonymy may be described as the semantic process of associating two referents one of which makes part of the other or is closely connected with it.
, This can be perhaps best illustrated by the use of the word tongue —
‘the organ of speech’ in the meaning of ‘language’ (as in mother tongue; cf. also L. lingua, Russ. язык). The word bench acquired the meaning
‘judges, magistrates’ because it was on the bench that the judges used to sit in law courts, similarly the House acquired the meaning of ‘members of the House’ (Parliament).
It is generally held that metaphor plays a more important role in the change of meaning than metonymy. A more detailed analysis would show that there are some semantic changes that fit into more than the two groups discussed above. A change of meaning, e.g., may be brought about by the association between the sound-forms of two words. The word boon, e.g.”, originally meant ‘prayer, petition’, ‘request’, but then came to denote ‘a thing prayed or asked for’. Its current meaning is ‘a blessing, an advantage, a thing to be thanked for.’ The change of meaning was probably due to the similarity to the sound-form of the adjective boon (an Anglicised form of French bon denoting ‘good, nice’).
Within metaphoric and metonymic changes we can single out various subgroups. Here, however, we shall confine ourselves to a very general outline of the main types of semantic association as discussed above. A more detailed analysis of the changes of meaning and the nature of such changes belongs in the diachronic or historical lexicology and lies outside the scope of the present textbook.
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Results of semantic change can be generally