English
XNAND
Blend of exclusive + NAND.
Proto-Indo-European *(s)kleh₂w- ‘key, hook’
…
Latin claudō ‘to close’
Latin exclūdō ‘to shut out’
Latin exclūsus ‘shut out’
Latin exclūsīvus
English exclusive
Today it means
noun XOR, a logic gate
Language periods are conventional ranges, not dates for this word.
Etymograph / XNAND