Where does “luminarium” come from?

luminarium (Medieval Latin) comes from Latin lūmināre, from Latin lūmen, from English -escence, from Latin -escens, from Latin -esco, from Latin -eo, from Proto-Italic -ēō, from Proto-Italic -ējō — Creates transitive imperfective verbs from roots.

Ancestry of “luminarium”, step by step

StepLanguageWordMeaning
1LatinlūmināreThat which gives light; enlightener
2Latinlūmenlight, source of light
3English-escencea specified process or state
4Latin-escens
5Latin-escoForms verbs from adjectives meaning "become "
6Latin-eoForms stative verbs from adjectives; dative...
7Proto-Italic-ēōForms stative verbs, indicating a state of being;...
8Proto-Italic-ējō
9Proto-Indo-European-éh₁yetiThematicization of the athematic stative verbal...
10Proto-Indo-European-yetiCreates transitive imperfective verbs from roots

Words derived from “luminarium

Every word from Proto-Indo-European -yetiEvery word from Latin -eoEvery word from English -escence