Where does “serpentarium” come from?

serpentarium (English) comes from English -arium, from Latin -ārium, from Latin -um, from Proto-Italic *-om, from Proto-Indo-European *-oHom.

Ancestry of “serpentarium”, step by step

StepLanguageWordMeaning
1English-ariumA place associated with a specified thing; A...
2Latin-āriumused primarily to form nouns of purpose from other nouns, such as places where things are kept or objects used for a particular end
3Latin-umnominative neuter singular of -us; accusative...
4Proto-Italic*-om
5Proto-Indo-European*-oHom

Words derived from “serpentarium

Every word from Proto-Indo-European *-oHom