Where does “ard-diúc” come from?

ard-diúc (Irish) comes from Irish diúc, from English duke, from Old French duc, from Latin dux, from Latin dūcō, from Proto-Italic doukō, from Proto-Indo-European déwketi, from Proto-Indo-European dewk- — to pull, to draw; to lead.

ard-diúc (Irish): archduke, grand duke

Definitions

  1. archduke, grand duke

Ancestry of “ard-diúc”, step by step

ard-diúc traces back through two separate lines of ancestry.

via Irish diúc

StepLanguageWordMeaning
1Irishdiúcduke
2EnglishdukeThe male ruler of a duchy; The sovereign of a...
3Old Frenchducduke
4Latinduxleader, head; commander, general, captain;...
5Latindūcōto lead, guide, conduct, lead away
6Proto-Italicdoukōlead
7Proto-Indo-Europeandéwketi
8Proto-Indo-Europeandewk-to pull, to draw; to lead

via Irish ard

StepLanguageWordMeaning
1Irishardhigh, tall; loud; ambitious
2Old Irishardhigh; height
3Proto-Celticardwoshigh
4Proto-Indo-Europeanh₃erdʰwós
5Proto-Indo-Europeanh₃erdʰ-to increase, grow; upright, high
6Proto-Indo-European-wósCreates adjectives from verb stems
Every word from Proto-Indo-European dewk-Every word from Proto-Indo-European déwketiEvery word from Proto-Italic doukō