DIAERESIS or DIERESIS

PRONUNCIATION: (dy-ER-uh-sis)

MEANING: noun:
1. The separation of two adjacent vowel sounds.
2. The mark ¨ placed over a vowel to indicate that it’s pronounced as a separate syllable, for example, in naïve or Brontë.
3. A break in a line of verse when the end of a word coincides with the end of the metric foot.

ETYMOLOGY: From Latin diaeresis, from Greek diairesis (division), from diairein (to divide), from dia- (apart) + hairein (take). Earliest documented use: 1656.
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DI, ARES' SIS - Diana is the sister of the god of war

DI AERIES IS - two lofty eagles' nests

DIPARESIS - two limbs are weak (one arm and the other leg)