trayya—the three Vedas SB 7.3.30
trayya—by followers of the three Vedas who perform great sacrifices like Indra and other demigods Antya 7.33
trayya—by followers of three Vedas who perform great sacrifices (like the demigod Indra) Madhya 19.204
trayya—following the Vedic principles SB 9.14.46
trayya—by studying the three Vedas (Sama, Yajur and Atharva) SB 10.8.45
Can't find any compound Sanskrit words containing trayya.