סָפַד
From LSJ
Γελᾷ δ' ὁ μῶρος, κἄν τι μὴ γελοῖον ᾖ → Mens stulta ridet, quando ridendum est nihil → Es lacht der Tor, auch wenn es nichts zu lachen gibt
English (Strong)
a primitive root; properly, to tear the hair and beat the breasts (as Orientals do in grief); generally to lament; by implication, to wail: lament, mourn(-er), wail.