Strong's #3997: penthos (pronounced pen'-thos)
strengthened from the alternate of 3958; grief:--mourning, sorrow.
Thayer's Greek Lexicon:
́
penthos
1) mourning
Part of Speech: noun neuter
Relation: strengthened from the alternate of G3958
Citing in TDNT: 6:40, 825
Usage:
This word is used 5 times:
James 4:9: "laughter be turned to mourning, and your joy to heaviness."
Revelation 18:7: "so much torment and sorrow give her: for she saith"
Revelation 18:7: "and shall see no sorrow."
Revelation 18:8: "one day, death, and mourning, and famine; and"
Revelation 21:4: "more death, neither sorrow, nor crying, neither shall there be"