1620s, "to fall, drop, or stomp (on something soft) with crushing force," possibly imitative of sound made in the process. The figurative sense of "suppress completely" is first recorded 1864. Related: Squelched; squelching.
例文
1. The President wants to squelch any perception that the meeting is an attempt to negotiate.
大統領は、今回の会議を交渉の試みと見なしている見方を払拭しようとしている。dd>
2.You cannot squelch wanting.
要求を抑えることはできません。/
3.But now was the time to squelch him.
だが、今は彼を圧倒する時だ。
dd>
4.Types of Transmission and Reception:Transmission-Voice and 150-Hz squelch tone.
タイプ送受信:転送音と150ヘルツで口風を圧着する。
5.Type of squelch :Tone operated by 150-Hz signal.