bikkūrīm בִּכּוּרִים ‘firstfruit’ (Hebrew)

Etymology^?: from bāxar בָּכַר ‘to be/bear firstborn’
Roots: בכר

bikkūrīm n, m
1) first-fruits
 1a) the first of the crops and fruit that ripened, was gathered, and offered to God according to the ritual of Pentecost
 1b) the bread made of the new grain offered at Pentecost
 1c) the day of the first-fruits (Pentecost)