Q. Isildurioni [þ] coll. “Heirs of Isildur”
A term for kings of Arnor as the descendants of Isildur (PM/192). This name is a compound of Isildur and the plural of the patronymic suffix -ion “-son”.
Reference ✧ PMI/Isildurioni ✧ “Heirs of Isildur”
Elements
| Isildur | “*Servant of the Moon” | |
| -ion | “-son, masculine patronymic” | plural |