köken: From Middle High German du, duo, dū, from Old High German dū (akin to Old Saxon thū and English thou), itself from Proto-West Germanic *þū, from Proto-Germanic *þū, from Proto-Indo-European *túh₂.
köken: From Old French tu, from Latin tū, from Proto-Italic *tū, from Proto-Indo-European *túh₂. Cognates with the exact same usage are the Italian tu, as well as du in German or ты in Russian.
A zero suffix, with several functions: · a form of the subjunctive/imperative suffix -j in the second-person singular definite short forms of most verbs · at the end of the short form of the second-person singular indefinite subjunctive/imperative (more common than the long-form ending in -ál/-él)
köken: From Old Danish thē, from Old Norse þeir, from Proto-Germanic *þai. Usage of this word as a gender-neutral third-person singular pronoun is a semantic loan from English they.