13 letters · 25 points in Scrabble
noun tranquilizer used to treat psychotic conditions when a calming effect is desired
originEtymology tree Proto-Indo-European *h₂ent- Proto-Indo-European *-s Proto-Indo-European *h₂énts Proto-Indo-European *-i Proto-Indo-European *h₂énti Ancient Greek ᾰ̓ντῐ́ (ăntĭ́) Ancient Greek ἀντι- (anti-)der. English anti- English psychotic English antipsychotic From anti- + psychotic.
Etymology from Wiktionary, CC BY-SA 3.0