portendere

Portentous is from Latin portentosus, from portendere, to stretch out before or into the future, to predict, from Other Delivery Options:

Dictionary.com Word of the Day 2010

(_Cometæ_, 1. quidem solent nihil boni portendere) sed provido

The Orbis Pictus Johann Amos Comenius 1631

Nunc repeto, haec generi portendere debita noftroi

P. Virgilii Maronis opera: emendabat et notulis illustr. G. Wakefield Virgil, Publius Vergilius Maro 1796

Huius vobis sententiae non consul modo auctor est, sed etiam di immortales; qui mihi sacrificanti ... laeta omnia prosperaque portendere. "

The Religious Experience of the Roman People From the Earliest Times to the Age of Augustus W. Warde Fowler 1884

He says himself, in a very celebrated passage where he bewails the prevailing scepticism, [33] "Non sum nescius ab eadem neglegentia qua nihil portendere deos volgo nunc credunt neque nuntiari admodum ulla prodigia in publicum neque in annales referri.

The History of Roman Literature From the earliest period to the death of Marcus Aurelius Charles Thomas Cruttwell 1879