cyngyd

Etymology 1
cy

Adjective

 * 1)  adjoining, coterminous, contiguous; united, federal

Noun

 * 1)  common boundary, frontier; combination, conjunction, a meeting together

Etymology 2
Probably cy the same second element as.

Noun

 * 1) intention, design intention or plot, purpose, mind, thought
 * 2) delay, hesitation; suspense; grief, distress