[in.kling] n [ME yngkiling whisper, mention, prob. fr. inclen to hint at; akin to OE inca suspicion] (1513) 1: a slight indication or suggestion: hint, clue "there was no path--no ~ even of a track --New Yorker"
2: a slight knowledge or vague notion "had not the faintest ~ of what it was all about --H. W. Carter"