dominion / domain
nounmasculine/duˈmi.nu/medium
do·mí·nio
Definition
Power or authority to govern, control, or influence; sovereignty.
The king held dominion over all the lands.
Her domain of expertise is molecular biology.
Common collocations
exercise dominiondomain of knowledgemastery of a language
Etymology
Do latim 'dominium' ('propriedade, senhorio').