gravid (adj.)youdaoicibaDictYouDict[gravid 词源字典]
"pregnant," 1590s, from Latin gravidus "loaded, full, swollen; pregnant with child," from gravis "burdened, heavy" (see grave (adj.)). Related: Gravidity. Gravidation "pregnancy" is attested from mid-15c.[gravid etymology, gravid origin, 英语词源]