Where does “Mätäsaho” come from?

Mätäsaho (Finnish) comes from Finnish Aho, from Proto-Finnic aho, from Proto-Germanic askǭ, from Proto-Indo-European h₂eHs- — to be/become dry; to burn, to glow; hearth.

Ancestry of “Mätäsaho”, step by step

Mätäsaho traces back through two separate lines of ancestry.

via Finnish Aho

StepLanguageWordMeaning
1FinnishAhoAny of a number of small places in Finland
2Proto-Finnicahoabandoned swidden; glade (grassy open or cleared space in a forest)
3Proto-Germanicaskǭash, ashes
4Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via Finnish mätäs

StepLanguageWordMeaning
1FinnishmätäsA tussock; Second-person singular imperative...
2Proto-Finnicmät'ästussock
3Proto-Uralicmäktetussock
Every word from Proto-Indo-European h₂eHs-Every word from Proto-Germanic askǭEvery word from Proto-Finnic aho