Where does “arduus” come from?

arduus (Latin) comes from Proto-Italic arðwos, from Proto-Indo-European h₃erdʰ-, from Proto-Indo-European -wós — Creates adjectives from verb stems.

arduus (Latin): lofty, high, steep, tall, elevated; hard to...

Definitions

  1. lofty, high, steep, tall, elevated; hard to...

Ancestry of “arduus”, step by step

StepLanguageWordMeaning
1Proto-Italicarðwos
2Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
3Proto-Indo-European-wósCreates adjectives from verb stems

Words derived from “arduus

Every word from Proto-Indo-European -wósEvery word from Proto-Indo-European h₃erdʰ-Every word from Proto-Italic arðwos