• 各自かくじ — each person
• 各国かっこく — each country
• 各地かくち — every region / all areas
• 各種かくしゅ — various kinds
• 各駅かくえき — each station
• 各社かくしゃ — each company

「各」 was historically associated with a figure in descent imagery, but its meaning shifted to “each / respectively.” The component 久 contributes phonetic value, while the radical 口 suggests designation or addressing items one by one.