The word "Kellach" is a Gaelic name that can be spelled in a variety of ways, such as "Kellech" or "Cilleach." It is pronounced as /ˈkɛləx/ in IPA phonetic transcription, with an emphasis on the first syllable. The "K" sound is pronounced as a voiceless velar plosive, while the double "L" is pronounced as a lengthened version of the /l/ sound. The final "ch" is pronounced as a voiceless velar fricative, similar to the "ch" sound in the Scottish word "loch."
The word "Kellach" has Gaelic origins. It is derived from the Old Irish name "Cellach", which itself is derived from the Old Irish word "ceallach", meaning "war" or "contention". "Ceallach" comes from the Gaelic element "ceall", which means "church" or "monastery". Hence, "Kellach" can be interpreted to signify a person who is associated with war or contention.