Where does “iskusitkeys” come from?

iskusitkeys (Finnish) comes from Finnish isku, from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

iskusitkeys (Finnish): impact strength or toughness of a material

Definitions

  1. impact strength or toughness of a material

Ancestry of “iskusitkeys”, step by step

iskusitkeys traces back through two separate lines of ancestry.

via Finnish isku

StepLanguageWordMeaning
1Finnishiskuhit, blow; impact; attentat, attack, strike, raid
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns

via Finnish sitkeys

StepLanguageWordMeaning
1Finnishsitkeysresilience; viscosity
2Finnishsitkeätough, chewy; resilient, hardy; persistent,...
3Proto-Finniccitkedätough, resilient
Every word from Proto-Finnic -uEvery word from Finnish -uEvery word from Finnish isku