词根词缀：aevum, evum; etern-; aeternus

【来源及含义】Latin: age; space of time, ever, always; eternity

【相关词根词缀】 Related "time" units: archaeo-, archeo-; Calendars; chrono-; horo-; pre-; Quotes: Time; tempo-.

【同源单词】Ab aeterno, aeon, age, aged, aye, coetaneous

词根词缀：prim-, primi-, primo-

【来源及含义】Latin: first, chief, foremost; of first rank

【同源单词】A primo ad ultimum, Christus primatum tenes, imprimatur, imprimatura, imprimis, Naturam primum cognoscere rerum