endless time, an infinite duration

ETERNITY
List of words for the clue endless time, an infinite duration from the crossword:
EON AEON EONS SPAN ETERNAL VAST ERA ONO SAGA YEAR ONE ARI SEC ETC LIFER LES DALI HOG ROSS
WordClue
DAYunit of time lasting 24 hours
NOWThe present time
WEEshort time or short distance
LOVEin the Time of Cholera
MASSsecond - time, kilogram - ?
PASTsubdivision of time
TERMtime, span
WEEKtime unit
YOREtime long past
ZONEdemilitarized or time
FRAMEfor picture or time
METERtime - second, distance - ?
MONTHunit of time dividing the year
RUMBA4 time
BREVITYThe quality of being brief in duration
KILOGRAMtime - second, mass - ?
FREQUENCYnumber of occurrences per unit time
EXPRESSIONterm, time
NANOSECONDunit of time
MILLISECONDunit of time
HEELender
GLANDendocrine or salivary