Where does “cyd-ddealladwy” come from?

cyd-ddealladwy (Welsh) comes from Welsh cyd, from Proto-Celtic ki-tu-, from Proto-Indo-European ḱey- — to be lying down; to settle.

cyd-ddealladwy (Welsh): mutually intelligible

Definitions

  1. mutually intelligible

Ancestry of “cyd-ddealladwy”, step by step

cyd-ddealladwy traces back through two separate lines of ancestry.

via Welsh cyd

StepLanguageWordMeaning
1Welshcydsexual intercourse, copulation; common; joint,...
2Proto-Celticki-tu-—
3Proto-Indo-Europeanḱey-to be lying down; to settle

via Welsh dealladwy

StepLanguageWordMeaning
1Welshdealladwyunderstandable, intelligible
2Welshdeallto understand, to comprehend; understanding,...
3Middle Welshdyallu—
Every word from Proto-Indo-European ḱey- →Every word from Proto-Celtic ki-tu- →Every word from Welsh cyd →