From G1223 and ὑλίζω hulizō (to filter); to strain out. (strain at is probably by misprint.): - strain at [prob. by misprint].
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Mar 5:13And forthwith Jesus gave them leave. And the unclean spirits went out, and entered into the swine: and the herd ran violently down a steep place into the sea, (they were about two thousandG1367;) and were choked in the sea.