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endo-
(EN-doh)inside, within
Greek for inside or within. An endoskeleton is on the inside (unlike an insect's exoskeleton); endothermic reactions take heat in.
prefixGreek
Place & directionSpellings:endoind
Example words
endoskeleton
a skeleton on the inside of the body
endothermic
absorbing heat from the surroundings
endoscope
an instrument for looking inside the body
indigenous
originating naturally in a particular place
Common Core alignment
Grades served: 6, 7, 8
- L.6.4bUse common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., audience, auditory, audible).
- L.7.4bUse common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., belligerent, bellicose, rebel).
- L.8.4bUse common, grade-appropriate Greek or Latin affixes and roots as clues to the meaning of a word (e.g., precede, recede, secede).
Related roots
Place & direction. Roots that locate things: under, over, between, before, after.
Browse all place & direction roots →L.6.4bL.7.4bL.8.4b