Where does “mirthsome” come from?

mirthsome (English) comes from English mirth, from Middle English merth, from Old English myrgþ, from Old English -þ, from Old English -þu, from Proto-West Germanic -iþu, from Proto-Germanic -iþō, from Proto-Indo-European -iteh₂ — -th.

mirthsome (English): Full of mirth

Definitions

  1. Full of mirth

Ancestry of “mirthsome”, step by step

mirthsome traces back through two separate lines of ancestry.

via English mirth

StepLanguageWordMeaning
1EnglishmirthThe emotion usually following humour and...
2Middle EnglishmerthAlternative form of myrthe
3Old Englishmyrgþmirth
4Old Englishforming abstract nouns from verbs, adjectives or...
5Old English-þuforming abstract nouns from verbs, adjectives or...
6Proto-West Germanic-iþuForms abstract nouns from verbs, adjectives or...
7Proto-Germanic-iþō-ness, -th
8Proto-Indo-European-iteh₂-th

via English some

StepLanguageWordMeaning
1EnglishsomeA certain number, at least two; An indefinite...
2Middle Englishsomsome
3Old Englishsumsome
4Proto-West Germanic*sumsome
5Proto-Germanicsumazsome (one), a certain (one)
6Proto-Indo-Europeansem-together, one

Words derived from “mirthsome

Every word from Proto-Indo-European -iteh₂Every word from Proto-Germanic -iþōEvery word from Proto-West Germanic -iþu