The story
- Proto-Indo-European · derived from*-eh₂kos, *-eh₂ḱos
- Proto-Celtic · derived from*-ākos
- Old Irish · derived from-ach
- Proto-Celtic · derived from*keiliyos
- pgl · derived fromᚉᚓᚂᚔ“follower, devotee”
- Old Irish · derived fromcéile
- Irish · derived fromÓ Céileachair“descendant of Céileachar”
- English todayKelleher
From Irish Ó Céileachair (“descendant of Céileachar”), from the male given name Céileachar (literally “spouse-loving”), from céile (“spouse, companion”), from Old Irish céile, from Primitive Irish ᚉᚓᚂᚔ (celi, “follower, devotee”, genitive), from Proto-Celtic *keiliyos; + -ach (“of”, relation-forming suffix), from Old Irish -ach, from Proto-Celtic *-ākos, from Proto-Indo-European *-eh₂kos, *-eh₂ḱos.
Words from the same roots
Proto-Celtic*keiliyos all →
Etymology from Wiktionary, CC BY-SA 4.0.