On ‘rhyming jingles’, often consisting of nominalised imperatives, e.g. techt tuidecht, aig thaig, soí toí, áin tháin (ám [t]hám in LL 34840 corrupt); cf. sa(i)n cha(i)n, baí chaí, ócaib tócaib — all denoting `(quick) movement to and fro’. Some discussion of rhyming combinations of two words in ModIr.