ὑπόσκαιος

γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at

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Full diacritics: ὑπόσκαιος	Medium diacritics: ὑπόσκαιος	Low diacritics: υπόσκαιος	Capitals: ΥΠΟΣΚΑΙΟΣ
Transliteration A: hypóskaios	Transliteration B: hyposkaios	Transliteration C: yposkaios	Beta Code: u(po/skaios

English (LSJ)

ον,

A somewhat sinister, Phot. s.v. ἴθυμβος.