Coll is the Irish name of the ninth letter of the Ogham alphabet ᚉ, meaning "hazel-tree", which is related to Welshcollen pl. cyll, and Latincorulus. Its Proto-Indo-European root was *kos(e)lo-. Its phonetic value is [k].[1]
Bríatharogam
In the medieval kennings, called Bríatharogam or Word Ogham the verses associated with Coll are:
caíniu fedaib – "fairest tree" in the BríatharogamMorann mic Moín
carae blóesc – "friend of nutshells" in the BríatharogamMac ind Óc
milsem fedo – "sweetest tree" in the BríatharogamConCulainn.[2]
References
^McManus, Damian (1991). A Guide to Ogam. Maynooth Monographs. Vol. 4. Co. Kildare, Ireland: An Sagart. p. 37. ISBN1-870684-75-3. ISSN0790-8806. The name of the ninth letter of the alphabet is the word for 'hazel-tree', Old Irish coll, cognate with Welsh collen pl. cyll hazel-tree(s), Latin corulus from the root *kos(e)lo-. The etymology confirms /k/ (as opposed to /kʶ/, see the next letter) as the value of this letter in Primitive Irish.
^McManus, Damian (1988). "Irish Letter-Names and Their Kennings". Ériu. 39: 127–168. JSTOR30024135.