H7570. rathach
[רָתַח] verb boil (Late Hebrew id.; Ecclus 43:3Hiph`il make hot; Aramaic רְתַח, boil); —
Pi`el Imperative masculine singular רַתַּח causative [Ezek 24:5] cause to boil, bring to boiling, with accusative of thing.
Pu`al Perfect3plural רֻתְּחוּ [Job 30:27] my bowels have been made to boil without quiet (figurative of violent emotion).
Hiph`il Imperfect3masculine singular מְצוּלָה כַּסּיר יַרְתִּיחַ [Job 41:23] he (the crocodile) maketh the depth boil like the pot..