mussitate

verb2

1. •
   (literary) To say (words, etc.) indistinctly; to mutter.

   • As for the Origination of the name Magus, […] others [derive it] from מהגה, one that mussitates; because the Magi transacted al their Incantations by mussitating or muttering out their vvords. — 1676
2. •
   (literary) To talk indistinctly; to mutter.

   • Enough remains, however, to make one go mussitating in solitary places, like a banished bull μελεος μελεῳ ποδι χηρενων. — 1860