Past tense of 'check' meaning examined, verified, or inspected for accuracy or condition. As an adjective, it describes a pattern of squares or a state of being restrained or controlled.
From Old French 'eschequier' meaning chess board, ultimately from Persian 'shah' (king) through Arabic. The verb sense of examining developed from the chess meaning of putting the king in danger, requiring careful attention.
The word 'checked' beautifully demonstrates how chess terminology invaded everyday language - from checkmate to checking facts. The visual pattern we call 'checked' (like checkerboard) directly mirrors the alternating squares of a chess board, showing how games can influence our descriptive vocabulary.
Complete word intelligence in one call. Free tier — 50 lookups/day.