Where does “longer” come from?

Longer comes from English long, which derives from Old English lang, itself from Proto-Indo-European dl̥h₁gʰós meaning extended in space or time.

longer (English): comparative form of long: more long; One who...

Definitions

  1. comparative form of long: more long; One who...

Ancestry of “longer”, step by step

longer traces back through two separate lines of ancestry.

via English long

StepLanguageWordMeaning
1EnglishlongHaving much distance from one terminating point...
2EnglishlongitudeAngular distance measured west or east of the...
3Old Frenchlongitude—
4Latinlongitūdōlength, longitude; longness
5Latinlongusfar, long; extended, prolonged; long; tedious,...
6Latin-ēly; used to form adverbs from adjectives
7Latindis-asunder, apart, in two; reversal, removal;...
8Latincalceusshoe
9Latincalxlimestone; chalk; the finish line
10Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via Middle English longer

StepLanguageWordMeaning
1Middle Englishlonger—
2Middle Englishlenger—
3Old Englishlengracomparative degree of lang; longer
4Proto-Germaniclangizôlonger
Every word from Ancient Greek χάλιξ →Every word from Latin dis- →Every word from Latin -ē →