WHOLE CHARACTER
挺tǐng
straight; upright; stiff; to straighten; to stick out; very; quite (colloquial); to hold out; to endure
挺 uses the hand side with 廷: straight and upright, and colloquial 'very' — 挺好, 挺住, 笔挺.
ZDIC: 形声,从扌、廷声 — the hand side with 廷 as the sound side.
LEFT: THE HAND SIDE — STRAIGHTENING AND HOLDING UP
扌shǒu
hand (from 手)
The left-side hand form; not a standalone page.
In 挺: left: the hand side — straightening and holding up Shown with its documented or clearly limited role.
RIGHT: THE SOUND SIDE 廷 (TÍNG)
廷tíng
the court (of a ruler)
The sound side named by ZDIC for 庭 and 挺; the whole syllable matches in 庭, and 挺 keeps the initial and final with a tone change.
In 挺: right: the sound side 廷 (tíng) tǐng keeps the initial and final of tíng; only the tone differs (3 vs 2).