Related to do·aitni. taitnigidir (verbal noun totnugud) (hapax) to please c. 800–825, Diarmait, Milan Glosses on the Psalms, published in Thesaurus Palaeohibernicus...
In the Milan glosses, this verb is replaced by a simple deponent verb taitnigidir. Complex, class A II present, s preterite Middle Irish: taitnid, taitnigid...