Where does “*atas” come from?

*atas (Proto-Austronesian) comes from Proto-Austronesian aCas, from Proto-Italic akos, from Proto-Indo-European h₂éḱos, from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “*atas”, step by step

StepLanguageWordMeaning
1Proto-AustronesianaCashigh; above
2Proto-Italicakos—
3Proto-Indo-Europeanh₂éḱostip, bristle; ear/blade of grain, awn, chaff
4Proto-Indo-Europeanh₂eḱ-sharp

Words derived from “*atas”

Every word from Proto-Indo-European h₂eḱ- →Every word from Proto-Indo-European h₂éḱos →Every word from Proto-Italic akos →