Where does “pycnodus” come from?

pycnodus (New Latin) comes from Ancient Greek ὀδούς, from Proto-Hellenic odónts, from Proto-Indo-European h₃dónts, from Proto-Indo-European h₁ed- — to eat.

Ancestry of “pycnodus”, step by step

pycnodus traces back through two separate lines of ancestry.

via Ancient Greek ὀδούς

StepLanguageWordMeaning
1Ancient GreekὀδούςA tooth, tusk; anything pointed: spike, prong;...
2Proto-Hellenicodóntstooth
3Proto-Indo-Europeanh₃dóntstooth
4Proto-Indo-Europeanh₁ed-to eat

via Ancient Greek πυκνός

StepLanguageWordMeaning
1Ancient Greekπυκνόςthick; dense; sagacious, crafty, cunning
2Proto-Indo-Europeanpuḱ-tail; press together
Every word from Proto-Indo-European h₁ed-Every word from Proto-Indo-European h₃dóntsEvery word from Proto-Hellenic odónts