meteoroid
noun
- outer-space object before hitting Earth
Wiktionary
noun
Etymology: Etymology tree English meteor Ancient Greek -ο- (-o-)der. Latin -o- Proto-Indo-European *weyd- Proto-Indo-European *-os Proto-Indo-European *wéydos Proto-Hellenic *wéidos Ancient Greek εἶδος (eîdos) Proto-Indo-European *-os Proto-Indo-European *-ēs Ancient Greek -ης (-ēs) Ancient Greek -ειδής (-eidḗs) Latin -oīdēslbor. English -oid English meteoroid From meteor + -oid.
- A relatively small (sand- to boulder-sized) fragment of debris in a star system that produces a meteor when it hits the atmosphere