目录 Chapter One Introduction 1.1 The Tower of Babel 1.2 Lexicology defined 1.3 The structure of English vocabulary 1.4 Lexicology and its related disciplines 1.4.1 Morphology 1.4.2 Semantics 1.4.3 Etymology 1.4.4 Phraseology 1.4.5 Lexicography 1.5 Summary Exercises and discussion questions Sources and suggestions for further reading Chapter Two The Origin of English Words 2.1 The origin of language 2.1.1 The divine-source theory 2.1.2 The natural-sound source theory 2.1.3 The oral-gesture source theory 2.1.4 The glossogenetic theory 2.1.5 The physiological-adaptation theory 2.1.6 The theory of interactions and transactions 2.2 Historical development of English vocabulary 2.2.1 The Old English Period 2.2.2 The Middle English Period 2.2.3 The Modern English Period 2.3 Sources of English vocabulary 2.3.1 The native elements 2.3.2 The foreign elements Exercises and discussion questions Sources and suggestions for further reading Chapter Three Word and Morphological Structure 3.1 Defining a word 3.1.1 Word as sound unit of language 3.1.2 Word as meaningful unit of language 3.1.3 Word as the smallest free form of language 3.1.4 Word as building block for phrase and sentence 3.2 Word and related notions 3.2.1 Type and token 3.2.2 Word form and lexeme 3.2.3 Compound and free phrase 3.2.4 Idiom and collocation 3.3 Morphological structure of words 3.3.1 Morpheme, morph and allomorph 3.3.2 Classification of morphemes Exercises and discussion questions Sources and suggestions for further reading Chapter Four Word Formation 4.1 Introduction 4.2 Root, stem and affix 4.3 Inflection and derivation