←
Ancient Greek φῦσα (cognate)
←
Proto-Indo-European *speh₁- (derived)
←
Proto-Indo-European (derived)
←
Lithuanian pùsti (cognate)
←
Latvian spèks (cognate)
←
Proto-Albanian (mention)
←
Proto-Albanian (mention)
←
Old Armenian փուք (cognate)
→
Latvian spēks (cognate)