tan
Definitions (by source)
‘time’, in in tan sin 12.3; an tan ‘when’ 4.17, 6.17-18, 8.5, etc.
Aibidil Gaoidheilge & Caiticiosma: Seaán Ó Cearnaigh's Irish primer of religion, published in 1571. Editor: Brian Ó Cuív.
in phrase an tan, an tann; conj. followed by rel. form of verb when; an tan 1039, an tand 507, 1072.
Duanaire Mhéig Uidhir: The poembook of Cú Chonnacht Mág Uidhir, Lord of Fermanagh 1566-1589. Editor: David Greene. Translator: David Greene.
time; an t., ‘when,’ 964
Trí Bior-Ghaoithe an Bháis: The Three Shafts of Death. Editor: Osborn Bergin.