Where does “ultramicrostructure” come from?

ultramicrostructure (English) comes from English microstructure, from English structure, from Middle French structure, from Latin structūra, from Latin struō, from Proto-Italic strowō, from Proto-Indo-European strew-, from Proto-Indo-European sterh₃- — sterile, infertile.

ultramicrostructure (English): microstructure as revealed by an ultramicroscope

Definitions

  1. microstructure as revealed by an ultramicroscope

Ancestry of “ultramicrostructure”, step by step

ultramicrostructure traces back through two separate lines of ancestry.

via English microstructure

StepLanguageWordMeaning
1EnglishmicrostructureThe fine structure of a material or tissue as...
2EnglishstructureA cohesive whole built up of distinct parts; The...
3Middle Frenchstructure
4Latinstructūrathe practice or process of building, construction
5Latinstruōto place one thing on top of another, to pile up, join together
6Proto-Italicstrowōpile up; construct, build
7Proto-Indo-Europeanstrew-to spread, to strew
8Proto-Indo-Europeansterh₃-to spread, extend, stretch out
9Proto-Indo-Europeanster-sterile, infertile

via English ultra

StepLanguageWordMeaning
1EnglishultraExtreme; far beyond the norm; fanatical;...
2Latinultrābeyond
3Latin-asuffixed to the roots of verbs, forms agent...
4Proto-ItalicForms masculine agent nouns from prefixed or compounded bases
5Proto-Indo-European-éh₂
Every word from Proto-Indo-European ster-Every word from Proto-Indo-European sterh₃-Every word from Proto-Indo-European strew-