brahmacaryam—under discipline to realize the Absolute (Brahman) SB 1.3.6
brahmacaryam—continence or abstaining from misuse of one's semen (not indulging in sex with women other than one's own wife and not having sex with one's own wife when sex is forbidden, like during the period of menstruation) SB 7.11.8, SB 7.11.9, SB 7.11.10, SB 7.11.11, SB 7.11.12, SB 7.11.8-12
brahmacaryam—complete celibacy SB 9.11.18
brahmacaryam—observing complete celibacy SB 8.16.48
Can't find any compound Sanskrit words containing brahmacaryam.