eş: dagegen, hingegen, indes, indessen, jedoch, doch
köken: From Middle High German aber, aver, from Old High German aber, ābar, abur, aver, avur, afur, from Proto-Germanic *aferą (“behind”). Compare Bavarian owa (“but”), Luxembourgish awer (“but”), Saterland Frisian oaber (“but”), Middle Low German āver, German Low German aver (“but”).
but (introduces a clause that contradicts the implications of the previous clause) · but (introduces the correct information for something that was denied in the previous clause) · but ... really; of course; no wonder (introduces the cause of the previous clause, with the implication that the result was expected given this cause)
eş: ainda assim, contudo, entretanto, no entanto, porém, todavia
köken: Inherited from Old Galician-Portuguese mas, from Latin magis (“more”), ultimately from Proto-Indo-European *meǵh₂- (“great”). Doublet of mais.
aile: mas é, mas sim, mas também
O livro é curto, mas bom.
Somos preguiçosos mas fazemos o que precisa de ser feito.
— Que lhe não quero mal, nem lhe rogo pragas, mas que é bem feito que ela amargue um pouco do pão do diabo […]
but (contrastive conjunction) · not only … but also
eş: lecz, pomimo, mimo to, jednak, lecz, tylko
köken: Etymology tree Proto-Indo-European *(h₁)ōd Proto-Balto-Slavic *ō Proto-Slavic *a Proto-Slavic *le univ. Proto-Slavic *ale Old Polish ale Polish ale Inherited from Old Polish ale. By surface analysis, univerbation of a + le. For the particle use, compare Hungarian de.
but (introducing a clause contrary to prior belief or in contrast with the preceding clause or sentence)
köken: From muu (“other”), either based on: * the partitive singular form (muuta: “something else”; the -uu- would have first been shortened and the final vowel elided, thus mut(t) with reanalysis as mutta, perhaps via a development like ei juokse, muuta [kuin] kävelee (literally “isn't running, [not] other than walking”) > ei juokse, mutta kävelee (literally “isn't running but walking”)), * the…
Near-synonym: vaan
Olisin halunnut lähteä heidän mukaansa, mutta en ehtinyt.
köken: From Proto-Indo-European *swét / *swéd, ablative case of *swé (whence se, suus); and originally the same as the inseparable preposition sē- (properly, “by itself”, “apart”, hence, “but”, “only”, etc.). Compare with the semantics of English "only (that)..." (= "but...").
aile: sed magis
c. ad 65, Seneca, Moral Letters to Lucilius, CVI.
Non vi, sed verbo
1804 Jun 12, Oberdeutsche Allgemeine Litteraturzeitung, No. 70, p. 1119