suus

Etymology
From, from , from.

See also 🇨🇬, Russian, Old Irish , German , Old Norse , Gothic , Old Church Slavonic and , Latin  and , Sanskrit.

Determiner

 * 1)  his, her, hers, its (own)
 * 2)  their, theirs
 * 1)  their, theirs

Usage notes
The choice of gender is determined by the noun possessed, and not by the gender of the person who possesses the object. Used by both singular and plural possessors.