++oghum

the "Ogam" writing, so Irish, Early Irish ogum, Ogma ma Elathan (son of knowledge), the Hercules of the Gaelic gods, Gaulish Ogmios, the Gaulish Hercules and god of eloquence: *Ogambio-s. Cf. Greek $$Go$$'/gmos ( $$G*g-mos?), a furrow, line, Sanskrit ájmas, course, run, root ag: the comparison is very doubtful. See oidheam.