The word 'tantric' is a modern English formation derived from the Sanskrit noun 'tantra', which originally meant a "loom" or the "warp" of a fabric. This core concept of an underlying structure or framework evolved metaphorically to denote a systematic doctrine, rule, or text, particularly the esoteric scriptures of Hinduism and Buddhism. The English adjective was created by appending the common adjectival suffix '-ic', borrowed from Greek and Latin, to the stem 'tantr-', directly signaling a relationship to the principles and practices contained within the Tantras.

Structure: tantr (sacred text) + ic (adjective-forming suffix) - tantr: From Sanskrit 'tantra', meaning "loom, warp, system, doctrine, text." In this context, it refers to the sacred texts and traditions. - ic: A suffix of Greek origin via Latin '-icus', used to form adjectives meaning "of, pertaining to, or characteristic of."