the use of the preposition "cxe", at, at the house of, in the region or
land of, among, with, etc.:

Li staris silente cxe la pordego, he stood silently at the gate.
Li logxas cxe mia avo, he lives (dwells) at my grandfather's.
Ili estas cxe la lernejo, they are at the school.
Li restos cxe amikoj, he will stay with (at the house of) friends.
Li vizitos cxe ni morgaux, he will visit at-our-house tomorrow.


THE SUFFIX "-AR-".

126. Words expressing a collection, group or assemblage of similar
persons or things, as "forest" (collection of trees), "army" (assemblage
of soldiers), etc., may be formed by the use of the suffix "-ar-". This
suffix may itself be used as a root to form "aro", "group, flock", etc.,
"are", in a group, by throngs, etc. Words formed with the suffix "-ar-"
are called collectives:

arbaro, forest (from arbo, tree).
cxevalaro, herd of horses (from cxevalo, horse).
kamparo, country (from kampo, field).
libraro, collection of books, library (from libro, book).
amikaro, circle of friends (from amiko, friend).

"TEMPO" AND "FOJO".

127. The general word for "time" in the sense of duration, or
suitability (as "the proper time"), is "tempo". The word "fojo",
time, occasion, refers to the performance or occurrence of an