My Suggestions

mũũthĩ2

n. · class 1/2 · wooden pestle

  1. wooden pestle 2. biceps

Example: giũthi, ci-, n. aug. of the above

mũũthĩ1

n. · class 1/2 · bicep

  1. bicep; large muscle of the upper arm that flexes when bent, the prominent muscle between shoulder and elbow