On 2025-04-27, at 05:01, Hal Murray via time-nuts <time-nuts at lists.febo.com> wrote: > > > If X is a harmonic of Y, I'm looking for the word that would fit in > Y is a xxx of X Not my favorite term, but âsubharmonicâ. (Also sometimes âundertoneâ, analogous to âovertoneâ.) GrüÃe, Carsten