わ
湧

く

Godan verb, intransitive verb

1. to well (up), to gush out (of water), to spring out, to surge.
2. to appear (esp. suddenly) (sweat, tears, etc.), to sweat, to cry.
3. to feel emotions (e.g. joy, bravery, etc.), to spring up (e.g. an idea, emotions, clouds), to well up, to arise.
4. to hatch, to breed, to propagate, to be infested (esp. of parasitic insects, etc.).