English
abider
From abide + -er.
A compound of abide + -er
Proto-Indo-European *bʰeydʰ- ‘to trust’
…
Proto-Germanic *uzbīdaną ‘to expect, tolerate’
Proto-West Germanic *uʀbīdan ‘to wait out, to be patient’
Old English ābīdan ‘to abide, wait, remain, delay, remain behind’
Middle English abyden ‘to wait, be patient’
English abide
Today it means
noun One who abides, or continues.
Language periods are conventional ranges, not dates for this word.
Etymograph / abider