…すぎ ... => too much N4
Emphasis on degree
すぎる => too much N4
かぎりだ => Very A N1
Degree/ Level/Amount
にすぎない => Only A; No more than A N2
(Not)only, (Not) even
だ/です => to be N5
すぎる => A is done too much, Too much A; A is excessive N4
Secondary Verb
いただきます => to receive N4
Benefit
かぎり/ないかぎり => While A is the case/still true N2
Conditional, While
だとすれば => in the case of N2
Deduce
に[限「かぎ」]って/に[限「かぎ」]り => Only A (A is a special condition) N2
(Not)only, (Not) even
…ても…すぎることはない => no matter if you do something too much, it will never be too much N2
Evaluate
だす => A (suddenly) begins, To A out N4
Secondary Verb