βάσανος (básanos|bas'-an-os|noun|torture)
[Grk] βάσανος LN: 24.90 GK: G992 Hebrew: אָשָׁם‎, כְּלִמָּה‎, מִכְשֹׁול‎, רׇגְזָה‎
Derivation: perhaps remotely from the same as βάσις (through the notion of going to the bottom);
Strong's: a touch-stone, i.e. (by analogy) torture
KJV: --torment.
See: βάσις