LTReikšminiai žodžiai: Dviprasmybė; Etimologija; Indoeuropiečių mitologija; Kalendorius; Vardas Jonas; Ambiguity; Calendar; Etymology; Indo-European mythology; The name Jonas.
ENThe etymological ambiguity of the Lithuanian proper name Jõnas is dealt with in the article. On the one hand, it derives, as its European equivalents, from the Hebrew Jōhānān-, nevertheless, on the other hand, it could be connected also with Lettish Jānis, with Latin Iānus, iānua and Sanskrit уāпа- ‘gait, way’ (IE *iā-no-s) and, consequently, derived from the Lithuanian verb jóti ‘ride, go on horseback’