Coming half way up the leg

• Stuck in mud maybe, need to have reflective peek round
• Require to enter hold, flooded above calf height?

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Knee-deep \Knee"-deep`\, a. Rising to the knees; knee-high; as, water or snow knee-deep. Grass knee-deep within a month. --Milton. Sunk to the knees; as, men knee-deep in water. Where knee-deep the trees were standing. --Longfellow.

WordNet Word definitions in WordNet
adj. coming only to the ankle or knee [syn: ankle-deep ] adv. up to the knees; "we were standing knee-deep in the water" [syn: knee-high ]

Wiktionary Word definitions in Wiktionary
a. 1 reaching up to the knees. 2 submerged to the knees. 3 (context figuratively by extension English) deeply involved in something, or preoccupied with something.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1530s, from knee (n.) + deep (adj.).

Wikipedia Word definitions in Wikipedia