Meaning

noun a tiny or scarcely detectable amount

originFrom Middle English titillen, tytyllen, perhaps variants of Middle English tutelen (“to whisper, chatter”), from tutel (“mouth”), from Old English *tūtel, *tȳtel, related to Old Frisian tūte (“mouth”). Compare Middle English touten (“to jut out, project, protrude”), Middle English toute (“projection, mound, hill”), Middle Dutch tûte (whence modern Dutch tuit (“spout, nozzle, nose, point, peak,…

Etymology from Wiktionary, CC BY-SA 3.0