'Oven' is one of the oldest cooking-technology words in Indo-European — shared with Sanskrit for 6,000 years.
An enclosed chamber in which food is cooked or heated by surrounding it with hot air or radiant heat.
From Old English 'ofen,' from Proto-Germanic *uhnaz, from the PIE root *h₂ewk- (cooking pot, cooking vessel). The same root produced Greek 'auksai' (cooking pots), Sanskrit 'ukhá' (cooking pot), and possibly Latin 'aulla' (pot). The word is among the oldest cooking-technology terms in the Indo-European family, reflecting the development of