"put out, extinguish," especially in outen the light, 1916, American English dialectal; see out (adv.) + -en (1). An idiom in Pennsylvania German. In English, out (v.) "to put out" is attested from c. 1500.
outdistance
outdo
outdoor
outdoors
outdoorsman
outen
outer
outermost
outerwear
outface
outfield