An element appearing only in the name Sakalthôr (UT/223). Though unglossed, his Quenya name Falassion seems to be falassë “shore” + -ion “son”, so perhaps -thôr is a patronymic meaning “son”, the masculine equivalent of -phel “daughter” appearing in Zimraphel “*Jewel-daughter”, as suggested by Andreas Moehn (EotAL/THUR).