Where does “downmass” come from?

downmass (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...

downmass (English): The payload mass carried down to Earth from low Earth orbit

Definitions

  1. The payload mass carried down to Earth from low Earth orbit

Ancestry of “downmass”, step by step

downmass 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 Down

StepLanguageWordMeaning
1EnglishDownusually known as County Down
2Middle Englishdoundown
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European meyth₂-Every word from Proto-Italic meitōEvery word from Latin mittō
downmass — Etymology, Origin & Word History | Etymology Explorer