Seniority
来自Big Physics
wiktionary
From Middle English senyoryte, from Medieval Latin senioritas, from Latin senior(“elder”); see senior.
etymonline
seniority (n.)
"priority on office or service," mid-15c., from Medieval Latin senioritas, from Latin senior "older" (from PIE root *sen- "old"). Meaning "state or quality of being senior" is from 1530s.
