Where does “nostrum” come from?

nostrum (Ecclesiastical Latin) comes from Latin noster, from Proto-Italic nosteros, from Proto-Indo-European nos, from Proto-Indo-European éǵh₂ — I.

nostrum (Ecclesiastical Latin): of us; partitive genitive of nōs; nominative...

Definitions

  1. of us; partitive genitive of nōs; nominative...

Ancestry of “nostrum”, step by step

nostrum traces back through two separate lines of ancestry.

via Latin noster

StepLanguageWordMeaning
1Latinnosterour, ours
2Proto-Italicnosterosour
3Proto-Indo-Europeannos—
4Proto-Indo-Europeanéǵh₂I

via Latin nos

StepLanguageWordMeaning
1Latinnosnominative/accusative plural of ego: we, us
2Proto-Italicnōswe
3Proto-Indo-Europeanwéywe

Words derived from “nostrum”

Every word from Proto-Indo-European éǵh₂ →Every word from Proto-Indo-European nos →Every word from Proto-Italic nosteros →