虞
グ, おそれ, おもんぱか.る, はか.る, うれ.える, あざむ.く, あやま.る, のぞ.む, たの.しむ, すけ, もち, やす
expectation, consideration, uneasiness, fear, anxiety, concern
JLPT1 G7 S13 F5000
As per 呉# (rowdy) + 虍 tiger → tigers locked in combat (compare 麌 and 牾). *Give careful thought to* is a borrowed meaning, as are *be anxious about*, *fear*, *apprehension* and *concern*.
[Full Kanji Etymology List]