OriginCognate of Hawaiian Hilo, Rarotongan ʻiro, Tahitian Firo
Sense of the dwarf planet from analogy of the Western name after the original Greco-Roman god – see also Hindi यम (yam) and Japanese 冥王星 Meiōsei after the Hindu deity Yama (冥王 Meiō)
- The Maori god of darkness.
- The moon on the first night of a lunar month in the traditional Maori calendar.
- The sixteenth night of a lunar month in the Maori calendar, as observed by some tribes.
- The planet Mercury.
- The dwarf planet Pluto.
Source: Wiktionary — CC BY-SA 4.0