Complex sentence: It means literally "Good Health"-slainte translates vaguely as health in Gaelic, "mhath" (pron. "vaa") is the lenited form of "math" (pron. "maa").
Split into simpler sentences: It means literally "Good Health"-slainte translates vaguely as health in Gaelic. "Mhath" (pron. "vaa") is the lenited form of "math" (pron. "maa").