mysterious gismu

From Lojban

Mysterious pseudo-gismu with unknown origin of an unknown author appeared in December 2013 in IRC #lojban channel.

glisu
x1 carefully does x2 (ka); x1 is careful in doing x2 (ka)
lenza
x1 does activity x2 (ka) gently
fizbu
x1 feels excitement about x2 (nu); x1 is excited.
kosmu
x1 has purpose x2; x1 is supposed for use x2; x1 is intended as x2.
timno
x1 performs function x2; x1 is active/in performing state; x1 is on.