This is the 9492nd most frequent Russian word.
усенов
The word "усенов" does not appear to be a standard Russian word. It may be a surname, a typo, or a word from a specific dialect.
Here, 'Usenov' is used as a proper noun referring to a person's last name.
Усенов всегда приходил вовремя.
Usenov always arrived on time.
In this case, 'усеновы' refers to ornamental edges, showing its usage as a term for decorative finishes.
В доме стояло большое зеркало с резными усеновами.
In the house stood a large mirror with carved decoration edges.
Here, 'усенов' is used to describe architectural trusses, illustrating its application in construction contexts.