At this stage, there will be many words you don’t know. In this case, comestible is both an English word - not much used nowadays probably - that is also a French word with basically the same meaning. Comestible is edible, fit to be consumed etc There are good bilingual dictionaries available free online Larousse, Robert, Collins etc, as well as a more recent go-to for many, wordreference. For words, dictionaries are better than translators such as DeepL or google, but they can help also - just don’t take their ‘translations’ in general as gospel.