She meant it was God's house, I s'pose, but she needn't have been so pernickety.
You didn't use to be so pernickety, when you was punchin' on the range, Lon.
I remember she was most pernickety about her blacks after my father's death.
1808 (pernicktie, in Jamieson), "precise, fastidious," extended form of Scottish pernicky, of uncertain origin, perhaps somehow from particular.
Overfastidious; finical; fussy
[first form 1905+, second 1814+; fr Scots dialect]