Father of Hallacar (UT/211). His name seems to be a compound of halla “tall” and Atan “man”.
Quenya
Hallatan
tall man
hallatan
masculine name. *Tall Man
Elements
Word Gloss halla “tall” Atan “Man, (lit.) the Second (People)”
Hallatan
Hallatan
Hallatan masc. name, apparently "tall man": halla + atan (UT:210)