from חָסַד; properly, kind, i.e. (religiously) pious (a saint); godly (man), good, holy (one), merciful, saint, (un-) godly.
Strong's 经文汇编(公版)
完整词典条目(Brown-Driver-Briggs)
חָסִידadj.m. kind, pious (so, as denoting active practice of חֶסֶד, kindness, Thes MV De and most, cf. קָצִיר, פָּקִיד etc.; > Hup on ψ 4:4 RVm who expl. as passive reception of י׳’s חֶסֶד, cf. שָׂכִיר, אָסִיר etc.; its used as attribute of God Je 3:12ψ 145:17, and the context ψ 12:1Mi 7:2 etc., favour active sense)—
Now therefore arise, O Jehovah God, into thy resting-place, thou, and the ark of thy strength: let thy priests, O Jehovah God, be clothed with salvation, and let thy saints rejoice in goodness.