Troponymy is the presence of a ‘manner’ relation between two lexeme

Lexeme

A lexeme is an abstract unit of morphological analysis in linguistics, that roughly corresponds to a set of forms taken by a single word. For example, in the English language, run, runs, ran and running are forms of the same lexeme, conventionally written as RUN...

s.

The notion was originally proposed by Christiane Fellbaum

Christiane Fellbaum

Christiane D. Fellbaum, born in Braunschweig, Lower Saxony, Germany, has lived in the United States since 1969. After graduating from Princeton University with a PhD in linguistics, she became a part of the Cognitive Science department under George Armitage Miller and has played an active role in...

 and George Miller. Some examples they gave are “to nibble is to eat in a certain manner, and to gorge is to eat in a different manner. Similarly, to traipse or to mince is to walk in some manner”.

Troponymy is one of the possible relations between verb

Verb

A verb, from the Latin verbum meaning word, is a word that in syntax conveys an action , or a state of being . In the usual description of English, the basic form, with or without the particle to, is the infinitive...

s in the semantic network

Semantic network

A semantic network is a network which represents semantic relations among concepts. This is often used as a form of knowledge representation. It is a directed or undirected graph consisting of vertices, which represent concepts, and edges.- History :...

 of the WordNet

WordNet

WordNet is a lexical database for the English language. It groups English words into sets of synonyms called synsets, provides short, general definitions, and records the various semantic relations between these synonym sets...

database.