Threaten
来自Big Physics
Old English thrēatnian ‘urge or induce, especially by using threats’, from thrēat (see threat).
wiktionary
From Middle English þreaten or þreten, from Old English þrēatian.
etymonline
threaten (v.)
late 13c., "attempt to influence by menacing," from Old English þreatnian "to threaten" (see threat). Related: Threatened. Threatening in the sense of "portending no good" is recorded from 1520s.