γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at
cŏmēta, æ, m., comète : Sen. Oct. 232 ; Prud. Cath. 12, 21.
comēta, ae, m., s. cometes.
δισκεύς, ἀκοντίας, κομήτης, κομήτης ἀστήρ
cometa cometae N F :: comet; meteor; luminous body in sky w/trail/tail; (portent of disaster)