gastrula (n.)youdaoicibaDictYouDict[gastrula 词源字典]
1874, a Modern Latin coinage (Haeckel), from Latin gaster, from Greek gaster (genitive gastros) "stomach" (see gastric) + Latin -ula, diminutive suffix. Related: Gastrular; gastrulation.[gastrula etymology, gastrula origin, 英语词源]