Where does “diametral” come from?

diametral (Swedish) comes from Swedish ål, from Old Swedish āl, from Old Norse ǫlr, from Proto-Germanic aluz, from Proto-Indo-European h₂élis-, from Proto-Indo-European el- — to bend; red, brown; hungry.

diametral (Swedish): diametral, entirely opposed

Definitions

  1. diametral, entirely opposed

Ancestry of “diametral”, step by step

diametral traces back through two separate lines of ancestry.

via Swedish ål

StepLanguageWordMeaning
1Swedishålan eel; a dorsal stripe on a horse
2Old Swedishāleel
3Old Norseǫlrdrunk; alder
4Proto-Germanicaluz
5Proto-Indo-Europeanh₂élis-alder
6Proto-Indo-Europeanel-to bend; red, brown; hungry

via Swedish diameter

StepLanguageWordMeaning
1Swedishdiameterdiameter
Every word from Proto-Indo-European el-Every word from Proto-Indo-European h₂élis-Every word from Proto-Germanic aluz