词根词缀：gravido-, gravid-

【来源及含义】Latin: pregnant, pregnancy [from grav-, heavy]

【相关词根词缀】Related "pregnant, pregnancy" word units: cyesio-, cyo-; cyo-.

【同源单词】decigravida, geodetic gravimetry, gravid, gravida, gravidic, gravidism

词根词缀：terti-, tern-, ter-

【来源及含义】Latin: third; three each; three times

【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "three, third": terce-; tri-, tre; trigono-; trito-.

【同源单词】sesquitertian, ternary, tertigravida, tertipara, tertium quid