Is sense 3 idiomatic? It's really just "on" randomly combined with "to" in my opinion. "Let's go to" > "Let's go on to", i.e. "Let's go further to." I don't think it could be spelt "onto" either. 178.4.151.88 12:17, 26 August 2021 (UTC)
Upon; on top of
editSoP; otherwis, why not also an entry for in to? JMGN (talk) 20:23, 7 July 2024 (UTC)