latter-rain, spring-rain (i.e. showers of March-April; important as strengthening and maturing crops)
Strong's H4456מַלְקוֹשׁ: the spring rain; figuratively, eloquence KJV:latter rain.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 1127: לקשׁlqš — be late, make, do late