Cxe. Apud.
"Cxe" indicates a certain "place, time", or "point of thought,
discourse", etc., as, "Li estis cxe mia patro", He was with my father,
or at my father's house. "Cxe la momento", At the moment. "Li estis cxe
la pordo", He was at the door, "Cxeesti", To be present.
"Apud" means "close by, beside." It applies to place only, as "La knabo
staris apud la patro", The boy stood by, or beside, the father.