A DRAFT OF AN ETYMOLOGICAL DICTIONARY OF SEVERAL NATURAL AND ARTIFICIAL LANGUAGES.

Last update 29 Oct 2026. Xavi Abadia.

Based on the sources:

• • Etymonline (whose main sources: Weekley; Klein; Barnhart; Holthausen; Kipfer & Champman; The Oxford English Dictionary)

  • Oxford English Mini Dictionary

  • Dictionary of Romaniczo (a former version which included translations to English, French, Spanish, Italian, Portuguese, German, Danish, Dutch, Swedish, Esperanto, Ido, and Gode’s Interlingua).

  • Bodmer's word-list

  • Britannica World Language Dictionary Part II – English to Other Languages (French, German, Italian, Spanish, Swedish, Yiddish)

  • Google Translate

  • Diccionari Català-Valencià-Balear

Abbreviations used:

• • a. adjective, acc. accusative, adv. adverb, AF Anglo-French, Alb Albanian, AmE American English, Ara Arabic, Arc Arcadian, Arme Armenian, art. article, aux. auxiliary, Ave Avestan, Bal Balearic Catalan, Bra Brazilian Portuguese, BrE British English, Bre Breton, c. Century, Ca Catalan, ca. circa, Chi Chinese, conj. conjunction, Cro Croatian, Da Danish, dem. demonstrative, Dia Dialectal, Du Dutch, E English, Er Esperanto Reformed, Es Esperanto, esp. especially, Est Estonian, F French, fig. figurative, Fin Finnish, Fle Flemish, Fra Frankish, G German, Gae Gaelic, Gau Gaulish, gen. genitive, Gk Greek, Gmc Proto-Germanic, Got Gothic, Heb Hebrew, Hit Hittite, Hu Hungarian, I Italian, Ia Interlingua, Ice Icelandic, Id Ido, Ie Interlingue, Ig Interglossa, In Idiom Neutral, intr. intransitive, Ir Irish, L (Classical) Latin, LaL Late Latin, Lat Latvian, Let Lettish, Lf Lingua Franca Nova, Lit Lithuanian, lit. literally, M... Middle…, MedL Medieval Latin, ModGk Modern Greek, ModL Modern Latin, n. noun, Nl Novial, Nw Norwegian, O... Old..., Oc Occitan, ON Old Norse, Osc Oscan, OSla Old Church Slavonic, P Portuguese, Pers Persian, Phoe Phoenician, PIE Proto-Indoeuropean, pl. plural, Po Polish, pp. past participle, prep. preposition, pron. pronoun, Prov Provenzal, prp. present participle, Pru Prussian, Rç Romániço, Ro Romanian, Ru Russian, S (Castilian) Spanish, Sa Sardinian, Sk Sanskrit, Slo Slovak, Sr Serbian, Sum Sumerian, Sw Swedish, Toc Tocarian, tr. transitive, Umb Umbrian, Ur Uropi, v. verb, Val Valencian Catalan, VL Vulgar Latin, voc. vocative, Wel Welsh, WGmc West Germanic

* An asterisk is attached to words which are not found in their corresponding dictionaries but would be correct according to their rules of derivation.