truaighe
Definitions (by source)
f., pity; déana t. umam, ‘miserere mei,’ 4219; misery, as interj. mo th., ‘alas, woe is me!’ 526, 7541; mo th. mhór, 2298; a th. (‘the pity of it’), ‘alas!’ 4375
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.