Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
tintinnĭo, īre, v. tintinno.
tintinno (tintĭno), āre, and tintin-nĭo, īre, v. n. [reduplicated from tinnio], to ring, clink, clank, to jingle, tingle (anteclass.): tintinnabant compedes, Naev. ap. Fest. p. 364 Müll.; Nigid. ap. Non. 40, 16: tintinnire janitoris impedimenta (i. e. catenas) audio, Afran. ap. Non. 40, 14; id. apFest. p. 364 Müll. N. cr.: sonitu suopte Tintĭnant aures, Cat. 51, 11.