Where does “pětk” come from?
pětk (Lower Sorbian) comes from Proto-Slavic pętъkъ, from Proto-Slavic pętъ, from Proto-Balto-Slavic penktas, from Proto-Hellenic penkʷtos, from Proto-Indo-European pénkʷe — five.
pětk (Lower Sorbian): Friday
Ancestry of “pětk”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Proto-Slavic | pętъkъ | Friday |
| 2 | Proto-Slavic | pętъ | fifth |
| 3 | Proto-Balto-Slavic | penktas | fifth |
| 4 | Proto-Hellenic | penkʷtos | — |
| 5 | Proto-Indo-European | pénkʷe | five |