Word Origin & History
oghamancient Ir. form of writing, 1627, from Ir. ogham, from O.Ir. ogam, said to be from name of its inventor, Ogma Mac Eladan. But this appears to be from Celt. *Ogmios, perhaps from PIE *og-mo- "furrow, track," thus metaphorically "incised line." This could be the source of the name of the writing style,
EXPANDwhich looks like a series of cuts or incised lines, and the inventor's name thus may be folk-etymology.
COLLAPSE