Etymology
Advertisement

eldest (adj.)

Old English (Mercian) eldrost "most advanced in age, that was born first," superlative of eald, ald "old" (see old). Superseded by oldest since 16c. Compare elder (adj.).

Others are reading

Advertisement
Advertisement
Definitions of eldest
1
eldest (n.)
the offspring who came first in the order of birth;
Synonyms: firstborn
2
eldest (adj.)
first in order of birth;
Synonyms: firstborn
From wordnet.princeton.edu