tiṭutiṭu (p. 238) க்கிறது, த்தது, க்கும், க்க, v. n. To make a reiterated noise, as hasty steps; to rumble, as a carriage, to thump constantly, தடதடக்க. 2. [prov.]. To beat, throb, palpitate, as the heart through fear, துடிக்க. (c.) திடுதிடெனல், v. noun. Succeeding each other rapidly as reiterated sounds, சீக் கிரக்குறிப்பு. 2. Moving with noise, rattling, rumbling--as several carriages; to sound in succession--as claps of thunder, ஈரடுக்கொலிக்குறிப்பு. 3. Running or going fast with quick reiterated steps--as a troop, விசையோடுசெல்லல். 4. Entering abruptly, intruding, சடிதியாய்வருதல். (c.) திடுதிடென்றோடுகிறான். He runs fast, with quickly reiterated steps. 2. He runs in without stopping at the door. 10)