Before revision: In Welsh, what corresponds to lo is lu in Old Welsh and llw in Middle Welsh such as in today's Welsh placenames Llanllwchaiarn, Llwchwr, Llyn Cwm Llwch, Amlwch, Maesllwch , the Goidelic lo being taken into Scottish Gaelic by the gradual replacement of much Brittonic orthography with Goidelic orthography in Scotland.
After revision: ()In Welsh, what corresponds to lo is lu in Old Welsh and llw in Middle Welsh such as in today's Welsh placenames Llanllwchaiarn, Llwchwr, Llyn Cwm Llwch, Amlwch, Maesllwch , the Goidelic lo being taken into Scottish Gaelic by the gradual replacement of much Brittonic orthography with Goidelic orthography in Scotland.