knee

knee [-s] n

OE cnéow. NW says word in OE signifies generation and means 'shoot or protuberance'.

1. Mid-leg hinge; joint between the thigh and ankle; [metonymy] leg; bottom limb.
2. Part of the leg for resting upon in the attitude of prayer.
3. Claw; pincer; bird leg; foot of a fowl.
4. Lap; [fig.] foothills; lower slopes; accessible places; benches of a large geologic formation.
5. Leg posture; [fig.] attitude of supplication; position of submission; [metonymy] worship; adoration.