Where does “lumjaro” come from?

lumjaro (Esperanto) comes from Esperanto lumo, 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.

lumjaro (Esperanto): light year

Definitions

  1. light year

Ancestry of “lumjaro”, step by step

lumjaro traces back through two separate lines of ancestry.

via Esperanto lumo

StepLanguageWordMeaning
1Esperantolumolight
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

via Esperanto jaro

StepLanguageWordMeaning
1Esperantojaroyear
2DutchjaarA year, the time it takes the Earth to circle the...
3Dutchringring, hollow circular object; ring; beltway, ring...
4Middle Dutchrincring; circle; circle of people
5Old Dutchrincring, circle
6Proto-West Germanichringring, circle
7Proto-Germanichringazring, circle; curve; sound, ring
8Proto-Indo-European(s)krengʰ-to turn, bend
9Proto-Indo-European(s)ker-to cut off; to turn, bend
10Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European -yetiEvery word from Latin -eoEvery word from English -escence