usor (Latin) comes from Latin ūtor, from Proto-Slavic *ǫtorъ, from Proto-Slavic torъ, from Proto-Slavic terti, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.
usor (Latin): user
Definitions
user
Ancestry of “usor”, step by step
usor traces back through two separate lines of ancestry.