Etymology
1. O.E.
fær "danger, peril," from P.Gmc.
*færa (cf. O.S.
far "ambush," O.N.
far "harm, distress, deception," Ger.
Gefahr "danger"), from PIE base
*per- "to try, risk, come over, go through" (perhaps connected with Gk.
peira "trial, attempt, experience," L.
periculum "trial, risk, danger"). Sense of "uneasiness caused by possible danger" developed c.1175. The v. is from O.E.
færan "terrify, frighten," originally transitive (sense preserved in archaic
I fear me). Sense of "feel fear" is 1393. O.E. words for "fear" as we now use it were
ege, fyrhto; as a verb,
ondrædan.
Fearsome is attested from 1768.
2. From Middle English feer, fere, fer (“fear”), from Old English fǣr, ġefǣr (“calamity, sudden danger, peril, sudden attack, terrible sight”), from Proto-Germanic *fērō, *fērą (“danger”), from Proto-Indo-European *per- (“to go through, carry forth, try”). Cognate with Dutch gevaar (“danger, risk, peril”), German Gefahr (“danger, hazard, risk”), Danish fare (“danger, hazard, risk”), Faroese and Icelandic fár (“accident, anger, calamity”), Norwegian Bokmål and Norwegian Nynorsk fare (“danger”), Swedish fara (“danger, risk, peril”), Latin perīculum (“danger, risk, trial”), Ancient Greek πεῖρα (peîra, “trial, experiment”), Armenian փորձ (pʻorj, “attempt”). Doublet of peril.
3. The verb is from Middle English feren, from Old English fǣran (“to frighten, raven”), from the noun. Cognate with the archaic Dutch verb varen (“to fear, to cause fear”). See: Danish '
fare', Swedish '
fara', Armenian '
փորձ', Middle English '
feren'.