An Etymological Dictionary of the German Language/Annotated/mit

mit, preposition and adverb, from the equivalent Middle High German and Old High German mit, preposition, ‘with,’ and the Middle High German adverb mite, Old High German miti; corresponding to Gothic miþ, mid, adverb and preposition, ‘with,’ Anglo-Saxon mid, obsolete in English (except in midwife). Teutonic mid, earlier midi, represents, according to the permutation of consonants, pre-Teutonic miti or meti, and hence is allied to Greek μετὰ, Zend maṭ, ‘with,’ It might also be connected with the cognates discussed under mitz, meaning ‘reciprocal.’