ferus.
wild beast/animal; wild/untamed horse/boar;
Meaning & usage
wild, savage, fierce, cruel
uncivilized, uncultivated
untamed, rough
Where this word comes from
Ultimately from Proto-Indo-European *ǵʰweh₁r- or *ǵʰwē̆r- (“wild animal”). The intermediate steps are uncertain: *Possibly from Proto-Italic *xʷeros, from earlier *ǵʰweh₁rós, with PIE *-ē- becoming Proto-Italic *-e- because of a shortening of PIE unaccented long vowels before a resonant (a version of a sound change called "Dybo's Law"). This change is also supposed to explain the short vowel in vir. In contrast to vir (from *wiros), this term retained the final -rus, possibly due to analogical influence from the form fera. *Alternatively, Sihler considers the adjective a back-formation from the feminine noun fera (“wild animal, wild beast”), and treats it as possible that Latin continues an original short e-grade of the PIE root.
wild animal
Where this word comes from
Ultimately from Proto-Indo-European *ǵʰweh₁r- or *ǵʰwē̆r- (“wild animal”). The intermediate steps are uncertain: *Possibly from Proto-Italic *xʷeros, from earlier *ǵʰweh₁rós, with PIE *-ē- becoming Proto-Italic *-e- because of a shortening of PIE unaccented long vowels before a resonant (a version of a sound change called "Dybo's Law"). This change is also supposed to explain the short vowel in vir. In contrast to vir (from *wiros), this term retained the final -rus, possibly due to analogical influence from the form fera. *Alternatively, Sihler considers the adjective a back-formation from the feminine noun fera (“wild animal, wild beast”), and treats it as possible that Latin continues an original short e-grade of the PIE root.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.