届

jiè

to arrive at (place or time)

period; to become due; classifier for events, meetings, elections, sporting fixtures, years (of graduation)

body arriving (尸) + by way of (由) = reaching a due point

尸 here represents a body arriving and settling into position, suggesting reaching a point. 由 mainly lends the jiè sound; together the character marks the moment something comes due or a cycle completes.

尸+由→届
尸A body stretched outSemantic
由CausePhonetic

这届学生比上一届更努力。

zhè jiè xué sheng bǐ shàng yī jiè gèng nǔ lì。

This cohort of students is more hardworking than the previous one.

本届世界杯有三十二支队伍参加。

běn jiè shì jiè bēi yǒu sān shí èr zhī duì wu cān jiā。

This edition of the World Cup has thirty-two teams participating.

Words with 届

应届

yīng jiè

this year's

首届

shǒu jiè

first session (of a conference etc)

下届

xià jiè

next office holder

届时

jiè shí

when the time comes

届满

jiè mǎn

(of a term of office) to expire

往届

wǎng jiè

former sessions

应届生

yīng jiè shēng

student graduating in the current academic year; current-year graduate; fresh graduate

应届毕业生

yīng jiè bì yè shēng

student graduating in the current year

换届

huàn jiè

to change personnel upon expiry of a term of office

本届

běn jiè

current

历届

lì jiè

all previous (meetings, sessions etc)

无远弗届

wú yuǎn fú jiè

to extend all over the globe (idiom)

More characters with 尸

屦卢尼尉尹㐆