發毛

Verb

 * 1)  to get scared; to be panicky

Verb

 * 1)  to get angry; to lose one's temper

Etymology 3
毛 refers to the furry appearance of mold. Compare 🇨🇬.

Alternatively, 毛 may come from (*p- > m-). Compare 🇨🇬.

毛 is commonly believed to be from, but this is unlikely.

Verb

 * 1)  to become moldy or mildewed