Where does “mirthsomeness” come from?

mirthsomeness (English) comes from English mirthsome, 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 — -th.

mirthsomeness (English): Quality of being mirthsome

Definitions

  1. Quality of being mirthsome

Ancestry of “mirthsomeness”, step by step

mirthsomeness traces back through two separate lines of ancestry.

via English mirthsome

StepLanguageWordMeaning
1EnglishmirthsomeFull of mirth
2EnglishmirthThe emotion usually following humour and...
3Middle EnglishmerthAlternative form of myrthe
4Old Englishmyrgþmirth
5Old Englishforming abstract nouns from verbs, adjectives or...
6Old English-þuforming abstract nouns from verbs, adjectives or...
7Proto-West Germanic-iþuForms abstract nouns from verbs, adjectives or...
8Proto-Germanic-iþō-ness, -th
9Proto-Indo-European-iteh₂-th

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European -iteh₂Every word from Proto-Germanic -iþōEvery word from Proto-West Germanic -iþu