From the verb skemma (“to damage, spoil”) + -st (“a suffix which turns verbs into middle voice verbs”). See also the appendix about the Icelandic middle voice verbs.
- (of objects or items) to be damaged
- (of food) to bad, to spoil, to go bad
Allir tómatarnir skemmdust þannig að við getum ekki búið til salat.
- We can't make a salad because all the tomatoes went bad.