ישר
'iser' seems to mean “right” or “righteous”.
One phrase that pops up very frequently is “הַיָּשָׁ֖ר בְּעֵינֵ֥י יְהוָֽה”, usually interpreted as “did right in the eyes of Yahweh”. A variant of this theme is that of a character who instead “did right in his own eyes”
LexID 3477