Where does “ug” come from?

ug (Translingual) comes from Translingual g, from English gaseous, from English -eous, from English -ous, from Middle English -ous, from Old French -us, from Latin -ōsus, from Old Latin -ōssus.

Ancestry of “ug”, step by step

StepLanguageWordMeaning
1Translingualg
2EnglishgaseousRelating to, or existing as, gas; Of a liquid...
3English-eous"Used with nouns to form adjectives with the...
4English-ousUsed to form adjectives from nouns, to denote...
5Middle English-ous
6Old French-us-ous, used for forming adjectives
7Latin-ōsusose, -ous, -ful (full of or overly prone to)
8Old Latin-ōssus
Every word from Old Latin -ōssus