HSK10+
xì
bind
Depicts typing a rope (系) around a person's (亻) neck. 系 also represents the sound.
亻 Iconic component
rén
person
亻 is a component form of 人.
系 Sound Iconic component
xì, jì
system
Depicts a rope.
Oracle script
Seal script
Clerical script
Regular script
系 (係)
bind, tie up; involve, relation; to connect; to relate to; to tie up; to bind; to be (literary)
关系
relation
系统
联系
connection
系
to connect
没关系
it doesn't matter
Academia Sinica
Make Me a Hanzi
Unicode
Baxter-Sagart
Dong Chinese
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing
漢語多功能字庫
季旭昇《說文新證》p.637-638