Psalms 119:100

זָקֵן (za.qen) : elder/leader 1) old 1a) old (of humans) 1b) elder (of those having authority)

בִּין (bin) 1) to discern, understand, consider 1a) (Qal) 1a1) to perceive, discern 1a2) to understand, know (with the mind) 1a3) to observe, mark, give heed to, distinguish, consider 1a4) to have discernment, insight, understanding 1b) (Niphal) to be discerning, intelligent, discreet, have understanding 1c) (Hiphil) 1c1) to understand 1c2) to cause to understand, give understanding, teach 1d) (Hithpolel) to show oneself discerning or attentive, consider diligently 1e) (Polel) to teach, instruct 2) (TWOT) prudent, regard

כִּי (ki) 1) that, for, because, when, as though, as, because that, but, then, certainly, except, surely, since 1a) that 1a1) yea, indeed 1b) when (of time) 1b1) when, if, though (with a concessive force) 1c) because, since (causal connection) 1d) but (after negative) 1e) that if, for if, indeed if, for though, but if 1f) but rather, but 1g) except that 1h) only, nevertheless 1i) surely 1j) that is 1k) but if 1l) for though 1m) forasmuch as, for therefore

פִּקּוּד (piq.qud) precept, statute

נָצַר (na.tsar) 1) to guard, watch, watch over, keep 1a) (Qal) 1a1) to watch, guard, keep 1a2) to preserve, guard from dangers 1a3) to keep, observe, guard with fidelity 1a4) to guard, keep secret 1a5) to be kept close, be blockaded 1a6) watchman (participle)