Strong's Hebrew #5275
na·‘al

na·‘al — 1 Occurrence

Genesis 14:23
HEB: וְעַ֣ד שְׂרֽוֹךְ־ נַ֔עַל וְאִם־ אֶקַּ֖ח
NAS: a thread or a sandal thong
INT: against thong A sandal will not take