english: It's from the root words [mille], meaning thousand, and [annum], meaning years.
non_english: Kepuloanipun wujud [[Kepulauan IzuKapuloanIzu]] lan [[Kepulauan OgasawaraKapuloanOgasawara]], manjang watawis 1.000&nbsp;km ka [[Samudra Pasifik]].