BT Bek 4b(33) :י אמרת פסוק הנך דמעיקרא פקעא קדושתיהו‏ : if you say: (The firstborn males of the desert) ceased. (Then), the holiness of those previously (firstborn males born in Egypt also) lapsed
See the entire entry for psq vb. to come to an end; to cut, to decide

BT Bek 4b(33) :הנך דקדוש קדוש דלא קדוש לא קדוש‏ : those who were holy remained so. (Those) who were not holy did not become so
See the entire entry for qdš vb. to become sanctified