trefnu

Welsh

Etymology

trefn +‎ -u

Verb

trefnu (first-person singular present trefnaf)

1. to arrange, organize, collocate
2. (computing) to format

Mutation

Welsh mutation
radical	soft	nasal	aspirate
trefnu	drefnu	nhrefnu	threfnu
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.