Words that come from Proto-Celtic sekʷo-

13 words across 3 languages descend from Proto-Celtic sekʷo- — including sech, seach, seachród, seachbhóthar, seachbhealach, firinscneach, inscne, insce.

See the etymology of sekʷo- itself →

Irish (9)

Old Irish (2)

Scottish Gaelic (2)