Etymograph

English

slotback

From slot + back.

A compound of slot + back

Old French esclot

Middle English slot

English slot

Proto-Germanic *baką ‘back’

Proto-West Germanic *bak

Old English bæc

Middle English bak ‘the back’

English back

Today it means

noun A particular position in American football, often a running back who lines up near the line of scrimmage and can function as a wide receiver.

Language periods are conventional ranges, not dates for this word.

Etymograph / slotback