soon (near in time) · almost (of a changing value that is predicted to reach said number soon) · indicates a rapid alternation of states; now ..., now ...; sometimes ..., sometimes ...
köken: From Middle High German balde, from Old High German baldo, adverb of bald, pald, from Proto-West Germanic *balþ, from Proto-Germanic *balþaz, from Proto-Indo-European *bʰel-. Cognate with Dutch boud, English bold.
aile: alsbald, baldig, baldmöglichst, bis bald, in Bälde, sobald
Bald ist der Urlaub vorbei.
Mit bald 80 Jahren ist mein Vater noch auf Apfelbäume geklettert.
fast; quick · spicy; hot · harsh; acrid; biting; sharp
köken: From Middle Persian [script needed] (twnd /tund/, “sharp, violent”), from Proto-Iranian *tund- (“to act violently”), from Proto-Indo-Iranian *tund-, from Proto-Indo-European *tu-n-d-, ultimately from Proto-Indo-European *(s)tewd-.
köken: Claimed to be from Persian جلد (“fast”) by Rustemov, however Turkic cognates point to different etymology. Perhaps ultimately derived from Proto-Turkic *yïl- (“to slide”), see more at Chagatai ایلدام (ʾyldām).
köken: Reborrowed from Persian تیز (“fast”), ultimately from Proto-Turkic *tēŕ- (“fast, quick”). Cognate with Kazakh, Kyrgyz тез (tez), Uzbek, Turkish tez (“quick”), etc.
quickly, rapidly, promptly, fast · unexpectedly, out of the blue, abruptly, suddenly
köken: From Proto-Finnic *äkkidä, the partitive singular of *äkki. Cognates include Estonian äkki, Ingrian äkkii, Karelian äkkie, Veps äkkid and Votic äčči.
aile: yhtäkkiä
Nyt äkkiä tänne!
Tämä tuli kyllä vähän äkkiä, mutta totta kai minä suostun.
köken: Inherited from Latin currendō, from currendus, gerund of currō (“to run”). Synchronically a gerund of cure, an archaic or regional form of curge (“to flow”).
From Middle Dutch gouwe, gauwe (“quick, fast, hasty”), alteration of gâ, from Old Dutch gā, from Proto-Germanic *ganhuz, *ganhwaz (“sudden, quick”), of unknown origin. Cognate with Low German gau (“quick, fast”), German jäh (“sudden, abrupt”). More at gay.