In OSHL יֵחַ֫תּוּ is given the Strong's 5181 but other sources (including BDB) list it under 2865 [חָתַת] Qal 1., although SHEBANQ gives it (as in OSHL) as Nifal imperfect 3ms. In HALOT it is under חָתַת on page 345 (under .2).
I use OHSL "all the time" and appreciate it so much.