exhortation (n.)

word-forming element, in English meaning usually "out of, from," but also "upwards, completely, deprive of, without," and "former;" from Latin ex "out of, from within; from which time, since; according to; in regard to," from PIE *eghs "out" (source also of Gaulish ex-, Old Irish ess-, Old Church Slavonic izu, Russian iz). In some cases also from Greek cognate ex, ek. PIE *eghs had comparative form *eks-tero and superlative *eks-t(e)r-emo-. Often reduced to e- before -b-, -d-, -g-, consonantal -i-, -l-, -m-, -n-, -v- (as in elude, emerge, evaporate, etc.).

Proto-Indo-European root meaning "to like, want."

It forms all or part of: catachresis; charisma; chervil; chrestomathy; Eucharist; exhort; exhortation; greedy; hortative; hortatory; yearn.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit haryati "finds pleasure, likes," harsate "is aroused;" Avestan zara "effort, aim;" Greek khresthai "to lack, want; use, make use of," kharis "grace, favor," khairein "to rejoice, delight in;" Latin hortari "exhort, encourage, urge, incite, instigate;" Russian zhariti "awake desire, charm;" Old English giernan "to strive, desire, yearn;" Gothic gairnei "desire."