þroskast

Icelandic

Etymology

From the verb þroska (“to develop, to mature”) + -st (“a suffix which turns verbs into middle voice verbs”). See also the appendix about the Icelandic middle voice verbs.

Verb

þroskast (weak verb, third-person singular past indicative þroskaðist)

1. (reflexive, of people) to mature, to develop
2. (reflexive, of fruit) to ripen