Toast prints
Go dté tú slán
May you go safely.
A plain goodbye for a journey: the going itself, rather than the return.
The wording is quoted exactly from the record and its cited source; personalisation touches only your own names and date, never the Irish.
About this saying
Attested in Foras na Gaeilge’s modern English–Irish dictionary under farewell, this is the everyday member of a pair: dté is the subjunctive of the verb go, so the blessing wishes the journey itself well. Its literary twin Go dtí tú slán (one letter different, a different verb) wishes the coming back. Choosing between them is choosing what you want to bless.