English
subdiffraction
From sub- + diffraction.
A compound of sub- + diffraction
Proto-Indo-European *upó ‘up; from below’
Proto-Italic *supo ‘under’
Latin sub ‘under, beneath, below’
English sub-
Proto-Indo-European *bʰreg- ‘to break’
Latin frangō ‘to break, shatter’
Latin diffringo ‘to shatter, to break into pieces’
Latin diffrāctus ‘shattered’
New Latin diffrāctiō
English diffraction
Today it means
adj Describing any optical device or process involving a dimension shorter than that of the diffraction limit of the light involved.
Sources
Sources: Wiktionary, “subdiffraction”. 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 / subdiffraction