Where does “iarnaíocht” come from?

iarnaíocht (Irish) comes from Irish acht, from Middle Irish acht, from Latin āctus, from Latin agō, from Proto-Italic agō, from Proto-Indo-European h₂éǵeti, from Proto-Indo-European h₂eǵ- — to drive.

iarnaíocht (Irish): iron quality; hardness, toughness

Definitions

  1. iron quality; hardness, toughness

Ancestry of “iarnaíocht”, step by step

iarnaíocht traces back through two separate lines of ancestry.

via Irish acht

StepLanguageWordMeaning
1Irishachtdecree, enactment; compact; condition
2Middle Irishacht—
3Latināctusmade, done, having been done
4Latinagōto act, to behave
5Proto-Italicagōdrive; push, impel; do, act
6Proto-Indo-Europeanh₂éǵetito be driving
7Proto-Indo-Europeanh₂eǵ-to drive

via Irish iarnaí

StepLanguageWordMeaning
1Irishiarnaíiron; iron-hard; plural of iarann
2Old Irishíarnaide—
3Old Irishíarniron
4Proto-Celticīsarnomiron
5Proto-Indo-Europeanh₁ésh₂r̥blood
Every word from Proto-Indo-European h₂eǵ- →Every word from Proto-Indo-European h₂éǵeti →Every word from Proto-Italic agō →