autochthon autochronograph • autochthonal · · · Info · Definitions · Characters · · autochthon · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the earliest known inhabitants of a region. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074 u latin small letter u U+0075