mastery of language or languages; ability to use language ...a1834 rare
from Latin lingua (tongue, tongue as an organ of speech, speech, utterance, language, dialect) + potence (n. power, ability, strength)
FIRST DOCUMENTED USE
a1834 - see EXAMPLE below
"...I venture to assert most unequivocally that the New Testament contains not the least proof of the linguipotence of the Apostles, but the clearest proofs of the contrary: and I doubt whether we have even as decisive a victory over the Romanists in our Middletonian, Farmerian, and Douglasian dispute concerning the miracles of the first two centuries, and their assumed contrast in genere with those of the Apostles..."
From: Literary Remains; Confessions of an Inquiring Spirit
- Samuel Taylor Coleridge