…振り => After (a long time) N2
Time
…振り => Way, condition, situation, appearance N2
Situation
~ふり(~振り)      => to pretend; to act as if N3
かりそめにも => Whatever it is..., do not.... N1
Position, perspective
~んがため(に)/~んがための      => in order to ~ N1
~づめだ      => full of N1
なりとも/せめて~だけでも => at least; even just a little (adverbial particle) N1
ため => In order to, for N4
Purpose, target
めったな => hardly; rarely; seldom N2
Ban
ずくめ => completely; entirely; nothing but ~ N1
せめて => at least; at most ~ N2
ため(に) => For, because… N4
Cause and Effect