intoxication
酊 centers on the state of being intoxicated, typically from alcohol. It describes the physical and mental condition of drunkenness.
酊 combines the sake radical 酉 with the phonetic component 丁, which likely contributes the sound and reinforces the idea of intoxication from alcohol.
The sake jar 酉 on the left and the nail-like 丁 on the right suggest being nailed down by alcohol: too drunk to move.
For テイ, imagine taking a sip of sake and feeling the intoxication hit like a tea (ティー) that knocks you out: tea -> テイ.