Where does “δεκατέσσαρες” come from?

δεκατέσσαρες (Ancient Greek) comes from Ancient Greek τέσσᾰρες, from Proto-Hellenic kʷétwores, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.

Ancestry of “δεκατέσσαρες”, step by step

δεκατέσσαρες traces back through two separate lines of ancestry.

via Ancient Greek τέσσᾰρες

StepLanguageWordMeaning
1Ancient Greekτέσσᾰρεςfour
2Proto-Hellenickʷétworescardinal...
3Proto-Indo-Europeankʷetwóresfour
4Proto-Indo-Europeankʷe-and

via Ancient Greek δέκᾰ

StepLanguageWordMeaning
1Ancient Greekδέκᾰten
Every word from Proto-Indo-European kʷe-Every word from Proto-Indo-European kʷetwóresEvery word from Proto-Hellenic kʷétwores