Where does “groundmass” come from?

groundmass (English) comes from English Mass, from Middle English messe, from Old English mæsse, from Vulgar Latin messa, from Latin missa, from Latin missum, from Latin mittō, from Proto-Italic meitō — to hurt; to exchange, remove; to replace, to...

groundmass (English): The matrix of fine-grained crystalline material...

Definitions

  1. The matrix of fine-grained crystalline material...

Ancestry of “groundmass”, step by step

groundmass traces back through two separate lines of ancestry.

via English Mass

StepLanguageWordMeaning
1EnglishMassThe principal liturgical service of the Church,...
2Middle EnglishmesseMass; The Eucharist; Holy Communion; The act of...
3Old Englishmæssemass
4Vulgar LatinmessaEucharist, dismissal; Eucharist; dismissal;...
5LatinmissaMass; Christian eucharistic liturgy; nominative...
6Latinmissumaccusative supine of mittō; inflection of...
7Latinmittōto send, dispatch, cause to go, let go, release, discharge
8Proto-Italicmeitōto put forth, put out
9Proto-Indo-Europeanmeyth₂-to hurt; to exchange, remove; to replace, to...

via English ground

StepLanguageWordMeaning
1EnglishgroundThe surface of the Earth, as opposed to the sky...
2Middle Englishgroundground; Earth
3Old Englishgrundground; bottom, foundation; abyss, depths
4Proto-Germanicgrunduzground, foundation
5Proto-Indo-Europeangʰrem-to be angry; to sound, bellow, growl, roar, be...
6Proto-Indo-Europeangʰer-to rub; to stroke; to grind
Every word from Proto-Indo-European meyth₂-
groundmass — Etymology, Origin & Word History | Etymology Explorer