Where does “platyhelminthic” come from?

platyhelminthic (English) comes from English platyhelminth, from Translingual Platyhelminthes, from Ancient Greek πλατύς, from Proto-Indo-European pléth₂us, from Proto-Indo-European pleth₂- — flat.

platyhelminthic (English): Of or relating to the platyhelminths

Definitions

  1. Of or relating to the platyhelminths

Ancestry of “platyhelminthic”, step by step

platyhelminthic traces back through two separate lines of ancestry.

via English platyhelminth

StepLanguageWordMeaning
1EnglishplatyhelminthAny flatworm of the phylum Platyhelminthes
2TranslingualPlatyhelminthesThe flatworms
3Ancient Greekπλατύςwide, broad; flat, level; broad-shouldered
4Proto-Indo-Europeanpléth₂usflat, broad
5Proto-Indo-Europeanpleth₂-flat

via English ic

StepLanguageWordMeaning
1Englishicrelated or pertaining to; having the character of
Every word from Proto-Indo-European pleth₂-Every word from Proto-Indo-European pléth₂usEvery word from Ancient Greek πλατύς