English
trinitite
From Trinity + -ite.
Formed from Trinity + -ite
Proto-Indo-European *tréyes ‘three’
…
Latin trīnī ‘three each’
Latin trīnitās ‘threeness’
Anglo-Norman trinite
Middle English trinite ‘a triad’
English Trinity
Today it means
noun The glassy residue left on the desert floor after the Trinity nuclear bomb test of 1945 at Alamogordo, New Mexico, USA.
Sources
Sources: Wiktionary, “trinitite”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / trinitite