Where does “lachtacht” come from?

lachtacht (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.

lachtacht (Irish): lactation

Definitions

  1. lactation

Ancestry of “lachtacht”, step by step

lachtacht 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 lacht

StepLanguageWordMeaning
1Irishlachtyield
2Old Irishlachtmilk
3Latinlácmilk
4Proto-Indo-Europeanǵláktsmilk
Every word from Proto-Indo-European h₂eǵ- →Every word from Proto-Indo-European h₂éǵeti →Every word from Proto-Italic agō →