Where does “ultroneously” come from?

ultroneously (English) comes from English ultroneous, 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.

ultroneously (English): Spontaneously; voluntarily

Definitions

  1. Spontaneously; voluntarily

Ancestry of “ultroneously”, step by step

ultroneously traces back through two separate lines of ancestry.

via English ultroneous

StepLanguageWordMeaning
1Englishultroneousspontaneous; voluntary
2Latinultroneusvoluntary; deliberate
3Latin-eusargentum + API → argenteus; ferrum + API →...
4Ancient Greek-εῖοςForms adjectives, usually with a meaning of "of"...
5Proto-Indo-European-iHwós
6Proto-Indo-European-wósCreates adjectives from verb stems

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European -wósEvery word from Latin -eusEvery word from Ancient Greek -εῖος