Strongs: H1069
H1069 @ בּכר bâkar baw-kar' A primitive root; properly to burst the {womb} that {is} (causatively) bear or make early fruit (of woman or tree); also (as denominatively from H1061) to give the birthright: - make {firstborn} be {firstling} bring forth first child (new fruit).
Leviticus:27:26
Deuteronomy:21:16
Jeremiah:4:31
Ezekiel:47:12