Strengthened from pneo; to wheeze, i.e. (causative, by implication) to throttle or strangle (drown) -- choke, take by the throat.
see GREEK pneo
a. to choke, strangle: used of thorns crowding down the seed sown in a field and hindering its growth, Matthew 13:7 T WH marginal reading; in the passive of perishing by drowning (Xenophon, anab. 5, 7, 25; cf. Josephus, Antiquities 10, 7, 5), Mark 5:13.
b. to wring one's neck, throttle (A. V. to take one by the throat): Matthew 18:28. (Compare: ἀποπνίγω, ἐπιπνίγω, συμπνίγω.)