The Tocharian A word ko
Word ko
Meaning mouth
See also Tocharian B: koyn ‘mouth’

Other words that might be of interest
ak ‘eye’, akmal ‘face’, anas ‘breath, sigh’, ānt ‘front, surface, forehead’, āriñc ‘heart’, es ‘shoulder, aggregate’, kapśañi ‘body’, kāc ‘skin, hide’, kāw- ‘to kill’, kāts ‘abdomen, belly’, käntu ‘tongue, language’, kesār ‘hair, filament’, kñuk ‘neck’, nwām ‘sick’, poke ‘arm’, pärwāṃ ‘eyebrows, brows’