kaksi (Finnish)

Where does "kaksi" come from?

The Finnish word 'kaksi' derives from the Proto-Uralic root '*kakta' or '*käktä,' meaning 'two.' It evolved into the Proto-Finnic form '*kakci,' eventually gaining its final 'i' through an analogy with the Finnish word for one, 'yksi.'

Full etymology tree

• kaksi (Finnish), 'two'
  • inherited *kakci (Proto-Finnic), 'two'
    • inherited *kakta (Proto-Uralic), 'two'
    • influence *ükci (Proto-Finnic), 'one'
      • inherited *ükte (Proto-Finno-Ugric)

Ancestors

• *kakci (Proto-Finnic)
• *kakta (Proto-Uralic)

Descendants and derived words

• aamukaksi (Finnish)
• iltakaksi (Finnish)
• kahdeksankymmentäkaksi (Finnish)
• kahdenarvoinen (Finnish)
• kahdenistuttava (Finnish)
• kahdenkertainen (Finnish)
• kahden kesken (Finnish)
• kahdenkeskinen (Finnish)
• kahdenlaatuinen (Finnish)
• kahdenlainen (Finnish)
• kahdenmaattava (Finnish)
• kahdentaa (Finnish)

Updated July 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris