trophallaxis
/ˌtrɒfəˈlæksɪs/noun
mass noun
- Entomology the mutual exchange of regurgitated liquids between adult social insects or between them and their larvae【昆】交哺现象（在群居成年昆虫, 或昆虫与其幼虫之间相互交换回涌液体）。
词源
early 20th cent.: from TROPHO- 'nourishment' + Greek allaxis 'exchange'.