Where does “piątoklasista” come from?

piątoklasista (Polish) comes from Polish piąty, from Proto-Slavic pętъ, from Proto-Balto-Slavic penktas, from Proto-Hellenic penkʷtos, from Proto-Indo-European pénkʷe — five.

piątoklasista (Polish): fifth-grader

Definitions

  1. fifth-grader

Ancestry of “piątoklasista”, step by step

piątoklasista traces back through two separate lines of ancestry.

via Polish piąty

StepLanguageWordMeaning
1Polishpiątyfifth
2Proto-Slavicpętъfifth
3Proto-Balto-Slavicpenktasfifth
4Proto-Hellenicpenkʷtos—
5Proto-Indo-Europeanpénkʷefive

via Polish klasa

StepLanguageWordMeaning
1Polishklasaclass; classroom; grade
2Latinclassisany one of the five divisions into which Servius...
3Proto-Italicklāssis—
4Proto-Indo-Europeankelh₁-to call, cry, summon
Every word from Proto-Indo-European pénkʷe →Every word from Proto-Hellenic penkʷtos →Every word from Proto-Balto-Slavic penktas →