Diweddaf, a. last, latest
Diweddar, a. tardy, slow; late
Diweddarâu, v. to make late
Diweddaru, v. to become late
Diweddarwch, n. lateness
Diweddglo, n. conclusion
Diweddiad, n. ending
Diweddol, a. conclusive
Diweddu, v. to end, to conclude
Diweddwr, n. a finisher