a variable phonetic process found all across Gaelic varieties, probably in both Ireland and Scotland • The phonological patterning and diatopic variation of preaspiration in Gaelic is entirely explained by the life cycle model of phonological processes • The development of preaspiration is consistent with a centre of innovation in Argyll and Perthshire, in line with the cultural evidence • Nothing in the development indicates a necessary, or even a plausible, role for speakers of Norse in the development of preaspiration Handout: https://edin.ac/3xqPWEl 35