[1615–25; ‹ L alveāt(us) (equiv. to alve(us) concave vessel, trough (alv(us) belly + -eus n. suffix) + -ātus -ate1) + -ed2]This word is first recorded in the period 1615–25. Other words that entered Englishat around the same time include: evolution, facet, foliation, oral, scintillation-ed is a suffix forming the past participle of weak verbs (he had crossed the river), and of participial adjectives indicating a condition or quality resulting fromthe action of the verb (inflated balloons). Other words that use the affix -ed include: connected, frosted, loaded, registered, saturated