Where does “Constantius” come from?

Constantius (English) comes from Latin Cōnstantius, from Latin -ius, from Proto-Italic -jōs, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

Constantius (English): A Latin first name, most notably held by a handful of Roman emperors

Definitions

  1. A Latin first name, most notably held by a handful of Roman emperors

Ancestry of “Constantius”, step by step

StepLanguageWordMeaning
1LatinCōnstantius
2Latin-iusforming adjectives from nouns; nominative neuter...
3Proto-Italic-jōsForms comparative adjectives
4Proto-Indo-European-yósCreates adjectives from noun or verb stems
Every word from Proto-Indo-European -yósEvery word from Latin -iusEvery word from Proto-Italic -jōs