過去形 => Past form N5
Conjugate verbs
を[経「へ」]て => After A N1
Time, Situation
を除いて => except; with the exception of; excluding ~ N2
~をたて(~を経て)      => through; after; via N1
に過ぎない => no more than; just; merely; only ~ N2
~といっても言い過ぎではない => it is no exaggeration to say; it is not too much to say N1
Position, perspective