Origin of petechiaModern Latin from Italian petecchia from Classical Latin pittacium, label, plaster, patch from Classical Greek pittakion, a writing tablet, slip, letter
Origin of petechiaNew Latin from Italian petecchie pl. of petecchia spot on skin perhaps from Vulgar Latin petīcula short for impetīcula diminutive of Latin impetīx impetīc- variant of impetīgō ; see impetigo .
- a small spot, especially on an organ, caused by bleeding underneath the skin
Modern Latin, from Italian petecchie "˜skin eruptions', from a popular Latin diminutive of Latin petigo "˜scab, eruption', itself from impetÄ«go.