English
subnanometric
From sub- + nanometric.
Formed from sub- + nanometric
Proto-Indo-European *upó ‘up; from below’
Proto-Italic *supo ‘under’
Latin sub ‘under, beneath, below’
English sub-
Today it means
adj Having dimensions less than a nanometre.
Language periods are conventional ranges, not dates for this word.
Etymograph / subnanometric