Where does “ultroneous” come from?

ultroneous (English) comes from Latin ultroneus, from Latin -eus, from Ancient Greek -εῖος, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

ultroneous (English): spontaneous; voluntary

Definitions

  1. spontaneous; voluntary

Ancestry of “ultroneous”, step by step

StepLanguageWordMeaning
1Latinultroneusvoluntary; deliberate
2Latin-eusargentum + API → argenteus; ferrum + API →...
3Ancient Greek-εῖοςForms adjectives, usually with a meaning of "of"...
4Proto-Indo-European-iHwós—
5Proto-Indo-European-wósCreates adjectives from verb stems

Words derived from “ultroneous”

Every word from Proto-Indo-European -wós →Every word from Latin -eus →Every word from Ancient Greek -εῖος →