バン, つが.い, は, ま

turn, number in a series

JLPT3 G2 S12 F348

釆# scattered seeds + a representation of a basket (now written ) → reach into a basket and scoop up seeds to spread/sow them → *number*; *order* (← count the number of times the hand is inserted into a basket) → *keep watch* (← keep watch over in turn). 釆 replaces an obsolete character that likewise indicated seeds or grain.

[Full Kanji Etymology List]