期

many periods

thawing season; thaw; season when the ice melts

Computing

synchronization source

phallic stage

farming season

(girl's arrival at) puberty

periodic law

cycle (e.g. in business)

old; ancient

thawing season; spring thaw

luteal phase

lactation period

Medicine

post-term delivery; postmature delivery

safe period

alluvial period

during a period; while

change of life; menopause

fishing season

synchronization; synchronisation

apprentice

hour of death; one's last moments; end of one's life

freezing or frost season

rainy season

sprouting season (of ears of grain)