食わす， くわす
1. to feed (e.g. an animal on oats), to let eat, to serve (e.g. in a restaurant), to force to eat
2. to support (e.g. a family), to provide for, to keep
3. to inflict (damage), to deal (e.g. a blow), to administer
4. to deceive, to cheat, to trick
tbd