domena — meaning in English

English meaning

demesne noun The land a lord kept around his main house for his own use, rather than letting it out to tenants.
domain noun A field or area of activity, knowledge, or control.
fief noun Historically, land granted by a lord to a vassal in exchange for loyalty and service.
preserve verb To keep something safe from harm, damage, or decay.
realm noun A kingdom or territory ruled by a monarch or supreme authority.

domena is used for these senses in English:

demesne A lord's chief manor place, with that part of the lands belonging thereto which has not been granted out in tenancy; a house, and the land adjoining, kept for the proprietor's own use.
domain A field or sphere of activity, influence or expertise.
fief (law, historical) Land held of a superior, particularly on condition of homage, fealty, and personal service, especially military service.
fiefdom (by extension, mostly, pejorative) Any organization in the control of a dominant individual.
preserve An activity with restricted access.
realm (also, figurative) A sphere of knowledge or of influence; a domain. [from after 1400]

noun The land a lord kept around his main house for his own use, rather than letting it out to tenants.
noun An area of land or territory.

noun A field or area of activity, knowledge, or control.
noun A territory owned or ruled by one person, group, or organization.
noun A website address (or the underlying registered name) used to identify it on the internet.