Morpheme
ob-
Type
prefix
Denotation
toward, to, against, before, near, across, down, in the direction of, in front of, before, at, upon, about in the way of with regard to, because of; sometimes merely intensive
Etymology
Latin ob
Evidence
obambulate, obdeltoid, obdormition, obese, object, objurgate, oblong, obstacle, obovate, observe