Triselan (German) comes from German Selan, from Persian سیلان, from Pali sīhaḷa, from Sanskrit सिंहल, from Sanskrit सिंह, from Proto-Indo-Aryan sinźʰás, from Proto-Indo-Iranian sinȷ́ʰás, from Proto-Indo-European *sinǵʰós-.
Triselan (German): triselane