Analyzer
Sentence analysis
10Spans
Sentence
Span Details
歴史書
history booknoun
に
direction, time, indirect object, or target markergrammar
は
topic markergrammar
度重なる
occur repeatedly; be repeated; be frequentgodan verb
来寇
invasion; raid; inroadnoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
記録
record; log; documentation; record (sports, etc.); best marknoun, suru verb
が
subject markergrammar
残っ
remain; be left-> 残るgodan verb
ている。
ongoing or resultant stategrammar