←
Old English *ætta (cognate)
←
Old English *atta (mention)
←
Proto-Brythonic *tad (derived)
←
Cimbrian tatta (cognate)
←
Middle English dadd (inherited)
←
Middle English dadde (mention)
←
North Frisian ate (cognate)
←
North Frisian aatj (mention)
←
North Frisian taatje (mention)
←
North Frisian tääte (mention)
←
Proto-Germanic *attô (cognate)
←
Proto-Indo-European *átta (cognate)
←
Low German detta (cognate)
←
Russian дя́дя (cognate)
←
Old Irish data (cognate)