English
suborbifold
From sub- + orbifold.
Proto-Indo-European *upó ‘up; from below’
Proto-Italic *supo ‘under’
Latin sub ‘under, beneath, below’
English sub-
Today it means
noun A submanifold of a space that is not smooth at every point, although it remains well-defined within the space.
Sources
Sources: Wiktionary, “suborbifold”. 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 / suborbifold