Etymograph
>
Indo-European
>
Proto-Indo-European
>
Morphology
> pie-zero-grade-root
apply sound rule '
pie-zero-grade-vowel
' to
first ablauting vowel
Referencing rules
pie-1pl-beekes
pie-2pl-beekes
pie-3pl
pie-1pl
pie-2pl
pie-nasal-infix
pie-ei-present
pie-sk-present