periastron
English
/pɛɹɪˈæstɹən/
noun
Definitions
- (astronomy) That point of the orbit of a celestial body which is closest to the star around which the body is orbiting.
Etymology
Derived from Ancient Greek περί (about, around, toward, for).
Origin
Ancient Greek
περί
Gloss
about, around, toward, for
Kanji
向
Timeline
Distribution of cognates by language
Geogrpahic distribution of cognates
Cognates and derived terms
- peri- English
- perichaetium English
- periosteum English
- cambium Latin
- helium Latin
- perichaetium Latin
- Perikambium German
- perihelium Dutch, Flemish
- περί Ancient Greek
- περίπλους Ancient Greek
- περισωρεύω Ancient Greek
- *per-, *peri Proto-Indo-European
- periskop Danish
- pri Esperanto
- περι- Greek (modern)