probably from <5143> (through the idea of mobility); the throat (neck), i.e. (figuratively) life:—neck.
Owing to changes in the enumeration while in progress, there were no words left for numbers 2717 and 3203-3302, which were therefore silently dropped out of the vocabulary and references as redundant.
Thayer’s Greek Definitions
1) to be ready to incur the most imminent peril to life
Thayer’s Definitions are as edited by the Online Bible of Winterbourne, Ontario. They removed the etymology, cross-references, and Greek phrases and changed some of Thayer’s Unitarian doctrinal positions concerning the work and person of Christ.