Where does “Kokburno” come from?

Kokburno (Esperanto) comes from English Cockburn, from Old English cocc, from Old Norse kǫkkr, from Proto-Germanic kukkaz, from Proto-Indo-European gēw- — to bend, arch.

Ancestry of “Kokburno”, step by step

StepLanguageWordMeaning
1EnglishCockburn—
2Old Englishcocccock, a male bird
3Old Norsekǫkkrclump; lump
4Proto-Germanickukkazcock, rooster, chicken
5Proto-Indo-Europeangēw-to bend, arch
Every word from Proto-Indo-European gēw- →Every word from Proto-Germanic kukkaz →Every word from Old Norse kǫkkr →