FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

sunecho συνέχω — soon-ekh'-o — from 4862 and 2192; to hold together, i.e. to compress (the ears, with a crowd or siege) or arrest (a prisoner); figuratively, to compel, perplex, afflict, preoccupy:--constrain, hold, keep in, press, lie sick of, stop, be in a strait, straiten, be taken with, throng.

see GREEK for 4862

see GREEK for 2192