Sindarin 

tín

his

*tín (only attested in lenited form dín, following a noun with article). Possibly, the word also covers ”her(s)” and ”its” as a general 3rd person form. If ”his” refers to the same person as the subject, the form ín* is used instead (e.g. i venn sunc i haw ín** ”the man drank his (own) juice”, but *i venn sunc i haw dín ”the man drank his (somebody elses) juice”.