KOD: nanomachine
https://en.wikipedia.org/wiki/Molecular_machine : "A molecular machine, nanite, or nanomachine is a molecular component that produces quasi-mechanical movements (output) in response to specific stimuli (input)."
https://en.wikipedia.org/wiki/Nanorobotics

@@ -8,0 +9,2 @@
+<gloss>nanomachine</gloss>
+<gloss>molecular machine</gloss>
@@ -9,0 +12 @@
+<gloss>nanite</gloss>

https://kotobank.jp/word/ナノマシン-1813541
https://ja.wikipedia.org/wiki/ナノマシン

ナノマシン	25166

Japanese sources are translating this as "nanomachine", but my spidey sense tells me this is probably wasei. See how this user translated nanobot as ナノマシン[1], and how what the Simple English Wikipedia calls nanobot, the Japanese wiki calls nanomachine[2].
[1]https://www.reddit.com/r/newsokunomoral/comments/worgmx/受精にナノマシンが介入/
[2]https://simple.wikipedia.org/wiki/Nanobot