for (on behalf of) · for (in order to obtain) · for (over a period of time)
eş: per
köken: From Old Galician-Portuguese por, from Late Latin pōr, from Latin prō (“for”) (with metathetic shift under the influence of per). Usurped the roles of Latin per.
köken: From suffixed noun ért, éret (“instead of sth., in exchange”), evolved from *ér (“presumably "place"”), a noun of unknown origin extended with -t (“locative suffix”).
in the direction of, to, towards · on account of, according to, because of, due to, for (the purpose of) · against; facing
köken: From Proto-Italic *op, from Proto-Indo-European *h₁epi. Cognate with Ancient Greek ἐπί (epí), Sanskrit अपि (ápi), Avestan 𐬀𐬌𐬞𐬌 (aⁱpi), Old Persian [script needed] (apiy), and Old Armenian եւ (ew). Also related to English by. The accusative is from the pre-PIE directional and the PIE direct object.