v.
tr. To mend (a garment, for example) by weaving thread or yarn across a gap or hole. v.
intr. To repair a hole, as in a garment, by weaving thread or yarn across it. n. A hole repaired by weaving thread or yarn across it: a sock full of darns.
[French dialectal darner, perhaps from Norman French darne, piece, from Breton darn.]
darn 2 (därn) interj. Used to express dissatisfaction or annoyance. adv.
& adj. Damn. tr.v.
darned, darn·ing, darns To damn.
"mend" c.1600, perhaps from M.Fr. darner "mend," from darne "piece," from Breton darn "piece, fragment, part." Alternative etymology is from obs. dern, from O.E. diernan "to hide," from dierne "secret," from W.Gmc. *darnjaz.