ἥττονhḗtton

inferior, less; neuter, τὸ ἧ., adverbially, less: 2 Corinthians 12:15; εἰς τὸ ἧ., for the worse (opposed to κρεῖττον): 1 Corinthians 11:17.

Greek (New Testament) · G2276

Same root

κακόςkakós · G2556worthless (intrinsically, such; whereas G4190 (πονηρός) properly refers to effects), i.e. (subjectively) depraved, or (objectively) injurious
ἡττάωhēttáō · G2274to make worse, i.e. vanquish (literally or figuratively); by implication, to rate lower

Where it appears

Appears 2 times in the Bible.

1 Corinthians 11:17 But in the following instructions, I cannot praise you. For it sounds as if more harm than good is done when you meet together.
2 Corinthians 12:15 I will gladly spend myself and all I have for you, even though it seems that the more I love you, the less you love me.

Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.