Sindarin 

hurinionath

collective name. Descendants of Húrin

A title for the stewards of Gondor as the descendants Húrin (PM/202), a combination of that name with the patronymic suffix -ion and the class-plural suffix -ath.

Sindarin [PMI/Hurinionath] Group: Eldamo. Published by

iôn

descendant

(-ion) (son), pl. ŷn, coll. pl. #*ionath*** isolated from Hurinionath* (PM:202-3) as the name of the House of Húrin.(MR:373*

iôn

son

(-ion) (descendant), pl. ŷn, coll. pl. #*ionath*** isolated from Hurinionath* (PM:202-3) as the name of the House of Húrin. (MR:373*