Where does “terävyysalue” come from?

terävyysalue (Finnish) comes from Finnish terävyys, from Finnish terävä, from Proto-Finnic teräbä, from Proto-Finnic terä, from Proto-Finno-Permic terä — edge.

terävyysalue (Finnish): depth of field distance in focus

Definitions

  1. depth of field distance in focus

Ancestry of “terävyysalue”, step by step

terävyysalue traces back through two separate lines of ancestry.

via Finnish terävyys

StepLanguageWordMeaning
1Finnishterävyyssharpness
2Finnishteräväsharp; smart, clever, bright, quick-witted; acute
3Proto-Finnicteräbäsharp
4Proto-Finnicteräblade, edge; ear of corn; grain, corn
5Proto-Finno-Permicteräedge

via Finnish alue

StepLanguageWordMeaning
1Finnishaluearea; region; oblast
2Proto-Austronesianqaluʀto flow
3Proto-Austronesian-luʀ—
Every word from Proto-Finno-Permic terä →Every word from Proto-Finnic terä →Every word from Proto-Finnic teräbä →