←
Middle Dutch dac (inherited)
←
Proto-Germanic *þaką (inherited)
←
Proto-West Germanic *þak (inherited)
←
Proto-Indo-European *teg- (derived)
←
Old Dutch thak (inherited)
→
English thack (cognate)
→
Afrikaans dak (inherited)
→
Central Franconian Daach (cognate)
→
Indonesian dak (borrowed)
→
Luxembourgish Daach (cognate)