سِخْنَةٌ

2.
One says also, عَلَيْكَ بِالأَمْرِ عِنْدَ سِخْنَتِهِ, meaning (assumed tropical:) [Keep thou to the affair] while it is in its first state, before it become cold [i. e. unmanageable, like cold iron]. (L.)

Perseus ID: n19249