médula
/ˈmedula/ · B2 · noun · f
marrow
🦴 médula = the 'meddling' core hidden inside the bone
Médula comes from Latin medulla, meaning marrow or inner part, related to medius (middle). It is the soft core inside a bone (médula ósea) and also the pith inside a plant stem. Think 'middle' to remember 'inner core'.